4000 QUESTION WITH DETAILS ANSWERS Flashcards

1
Q

How many rows can a construction crew make with 240 bricks if they use 12 bricks per row?

A

20

Total bricks ÷ bricks per row = 240 ÷ 12 = 20 rows.

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2
Q

How much does a worker earn in a week if he earns $15 per hour and works 40 hours?

A

$600

Weekly earnings = hourly rate × hours worked = $15 × 40 = $600.

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3
Q

How many miles per gallon does a car achieve if it travels 150 miles on 5 gallons of gas?

A

25 mpg

Miles per gallon = total miles ÷ gallons = 150 ÷ 5 = 25 mpg.

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4
Q

What is the sale price of a jacket that originally costs $50 with a 20% off sale?

A

$40

Discount = original price × 20% = $50 × 0.20 = $10. Sale price = $50 - $10 = $40.

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5
Q

What is the total charge if a plumber charges $75 for a service call and $50 per hour for 3 hours of work?

A

$225

Total charge = service fee + (hourly rate × hours) = $75 + ($50 × 3) = $225.

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6
Q

If a recipe calls for 3 cups of flour for every 4 cups of sugar, how much flour is needed for 12 cups of sugar?

A

9 cups

Using a ratio, (3 cups flour / 4 cups sugar) × 12 cups sugar = 9 cups flour.

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7
Q

What is the discounted price of a bike originally sold for $120 with a 15% discount?

A

$102

Discounted price = $120 × 0.85 = $102.

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8
Q

What is the average speed of a car that travels 300 miles in 5 hours?

A

60 mph

Average speed = distance ÷ time = 300 ÷ 5 = 60 mph.

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9
Q

What is the sale price of a laptop that is originally priced at $800 and marked down by 15%?

A

$680

Sale price = $800 - (800 × 0.15) = $800 - $120 = $680.

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10
Q

How much does a construction worker earn if he works 50 hours in a week, earning $15 per hour for the first 40 hours and $22.50 for additional hours?

A

$700

Weekly earnings = (40 × $15) + (10 × $22.50) = $700.

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11
Q

How many meals does a restaurant serve in a day if it serves 120 meals in one hour and operates for 8 hours?

A

960

Meals served = 120 × 8 = 960.

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12
Q

If a pair of shoes costs $60 and is discounted by 10%, what is the final price?

A

$54

Discounted price = $60 - ($60 × 0.10) = $54.

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13
Q

What is the sale price of a shirt originally priced at $40 that is marked down by 25%?

A

$30

Discount = $40 × 0.25 = $10. Sale price = $40 - $10 = $30.

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14
Q

What is the fuel efficiency in miles per gallon if a vehicle travels 300 miles on 10 gallons of gas?

A

30 mpg

Miles per gallon = 300 ÷ 10 = 30 mpg.

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15
Q

What are the weekly earnings of a worker who earns $12 per hour and works 35 hours?

A

$420

Weekly earnings = $12 × 35 = $420.

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16
Q

How many units does a machine produce per hour if it produces 200 units in 5 hours?

A

40

Units produced per hour = total units ÷ hours = 200 ÷ 5 = 40.

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17
Q

What is the sale price of a backpack originally costing $80, with a 20% discount?

A

$64

Discounted price = $80 - ($80 × 0.20) = $80 - $16 = $64.

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18
Q

How much is saved by buying 3 notebooks at a discount price of $4.00 instead of individually priced at $1.50 each?

A

$0.50

Buying individually costs $1.50 × 3 = $4.50. The discount price is $4.00, so the savings is $4.50 - $4.00 = $0.50.

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19
Q

How many boxes are needed to hold 1,000 items if each box holds 250 items?

A

4

Boxes needed = 1,000 ÷ 250 = 4.

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20
Q

What is the total charge if a plumber charges $50 for the first hour of work and $30 for each additional hour, and the job takes 4 hours?

A

$140

Total charge = $50 + ($30 × 3) = $140.

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21
Q
A
22
Q

How many items does a factory produce per hour if it produces 480 items in 8 hours?

A

60 items

23
Q

What is the average speed of a plane that travels 900 miles in 2 hours?

A

450 mph

24
Q

How much sugar is needed for 8 cups of flour if a recipe requires 3/4 cup of sugar for every 2 cups of flour?

A

3 cups

25
Q

What is the cost per chair if a school buys 40 chairs for $800?

A

$20

26
Q

How many acres are used for corn if a farmer has 250 acres of land and plants corn on 40% of it?

A

100 acres

27
Q

What is the average speed of a train that travels 300 miles in 5 hours?

A

60 mph

28
Q

What is the sale price of a product originally costing $120 during a 25% off sale?

A

$90

29
Q

What is the total score of a team that scores 36 points in the first half and 42 points in the second half?

A

78 points

30
Q

How long will it take a student to solve 8 homework problems if he spends 15 minutes on each problem?

A

2 hours

31
Q

How much does a family spend on groceries in 4 weeks if they spend $150 each week?

A

$600

32
Q

How many meters does a runner cover if he completes 5 laps around a 400-meter track?

A

2,000 meters

33
Q

What is the total revenue over a 6-month period if a store’s revenue is $12,000 per month?

A

$72,000

34
Q

What is the total cost of a movie outing if a family buys 4 movie tickets for $12 each and spends $18 on snacks?

A

$66

35
Q

How much does a worker earn for the week if he earns $18 per hour and works 25 hours?

A

$450

36
Q

How many miles per gallon does a car achieve if it uses 10 gallons of fuel to travel 300 miles?

A

30 mpg

37
Q

How many flowers does a gardener plant in total if he plants 15 rows of flowers with 8 flowers in each row?

A

120

38
Q

What is the sale price of a jacket originally priced at $90 during a 30% off sale?

A

$60

39
Q

How long will it take a student to finish 12 math problems if he spends 10 minutes on each problem?

A

1 hour 20 minutes

40
Q

What is the average speed of a plane that flies 600 miles in 2 hours?

A

300 mph

41
Q

What is the discounted price of a book that costs $25 with a 10% discount?

A

$22.50

42
Q

How many cookies does a bakery sell per hour if it sells 240 cookies in 6 hours?

A

40

43
Q

How many students are seniors if a school has 1,200 students and 25% are in the senior class?

A

300

44
Q

How much does a family spend on groceries in 8 weeks if they spend $75 each week?

A

$600

45
Q

What is the total score of a team that scores 48 points in the first half and 54 points in the second half?

A

102 points

46
Q

What is the total cost if a customer buys 4 boxes of chocolates priced at $15 each?

A

$60

47
Q

What is the sale price of a book priced at $18 that is discounted by 20%?

A

$14.40

48
Q

What distance does a runner cover if he completes 10 laps on a 400-meter track?

A

4,000 meters

49
Q

How many miles per gallon does a car achieve if it travels 180 miles on 6 gallons of fuel?

A

30 mpg

50
Q

What is the final price of a product that costs $80 and is marked down by 15%?

A

$72

51
Q

How much does a family spend on utilities in 3 months if they spend $150 each month?

A

$450

52
Q

How many rooms are occupied in a hotel with 120 rooms if 75% of them are occupied?

A

90