Test 3 (Nine-Weeks Exam), Units 1 - 2 Flashcards

1
Q

38294

63815

+92784

A

194893

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2
Q

51723

-49725

A

1998

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3
Q

625

x438

A

273750

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4
Q

5 7/9

+3 1/5

A

5 35/45

+3 9/45

8 44/45

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5
Q

21 3/8

  • 17 5/6
A

21 9/24 = 20 33/24

  • 17 20/24 = - 17 20/24
                      3 13/24
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6
Q

1 4/7 x 4 1/5 =

A

11/7 x 21/5

11/1 x 3/5

33/5

= 6 3/5

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7
Q

28.4 x .063

A

1.7892

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8
Q

15 % of $460

A

.15 x 460 = $69

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9
Q

1 1/2% of $900

A

.015 x 900 $13.50

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10
Q

15 is 25% of what number?

A

15 divided by .25 1500 divided by 25 60

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11
Q

40 is what percent of 50?

A

40/50 = 4/5 = 80%

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12
Q

124% of 16

A

1.24 x 16 19.84

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13
Q

3/8 divided by 1/16 =

A

3/8 x 16/1 = 3/1 x 2/1 = 6

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14
Q

3760 divided by 235

A

16

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15
Q

33.84 divided by 9.4

A

3.6

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16
Q

9 hr. 8 min. 6 hr. 42 min. +8 hr. 39 min. ____________

A

9 hr. 8 min. 6 hr. 42 min. +8 hr. 39 min. ____________ 23 hr. 89 min. (89 min is same as 1 hr 29 min) 23 hr. + 1 hr. 29 min. ____________ 24 hr. 29 min.

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17
Q

5 lb. -3 lb. 7 oz. —————

A

5 lb. = 4 lb. 16 oz. -3 lb. 7 oz. -3 lb. 7 oz. ————— —————- 1 lb. 9 oz.

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18
Q

8 gal. 3 qt. x 7 —————-

A

8 gal. 3 qt. x 7 —————- 56 gal. 21 qt. (21 qt is same as 5 gal 1qt) 56 gal. +5 gal. 1 qt. —————– 61 gal. 1 qt.

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19
Q

15 lb. 5 oz. divided by 7

A

2 lb. 3 oz. —————– 7 | 15 lb. 5 oz. (1 lb. left over is 16 oz. so add -14 21 16 to the 5 & then divide 7 —- into it giving you 3) 1 lb. -21 —— 0

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20
Q

_____ lb. = 196 oz.

A

196 divided by 16 = 12.3

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21
Q

______ ft. = 4.8 yd.

A

4.8 x 3 = 14.4

22
Q

_______ gal. = 319 qt.

A

319 divided by 4 = 79.8

23
Q

______ da. = 11 hr.

A

11 divided by 24 = .5

24
Q

______ ft. = .5 mi.

A

.5 x 5280 = 2640

25
T or F. The denominator of a fraction is below the fraction bar and tells how many equal parts the whole is divided into.
True
26
T or F. 5 ft. 6 in. = 66 in.
True
27
T or F. Percent means "hundredths."
True
28
T or F. The year 2006 was a leap year.
False
29
T or F. Weight is dependent upon gravity.
True
30
T or F. Speed = distance ------------- time
True
31
Using exponents, write the prime factors of 8.
23
32
Round off 13,486 to the nearest hundred.
13,500
33
Round off .4638 to the nearest thousandth.
.464
34
Find the value of 3 + 5 x (2 - 1)
8
35
Find the net profit on an item bought for $50 with a $6.30 overhead and sold for $75.
$75 - ($50 + $6.30) $18.70
36
Convert 1 1/2 ft. to inches.
1 1/2 x 12 18 in.
37
Convert 312 quarts to gallons.
312 divided by 4 78 gallons
38
Change 50 mi/hr to ft/sec (nearest tenth)
There are 5280 ft in a mile so 50 x 5280. There are 3600 seconds in a hour, so 1 x 3600. (Because there is an assumed 1 in front of the hour above) 264000 ft/3600 sec. But they want it per 1 sec., so divide the 264000 by 3600 to get 73.3
39
Simplify 21 hours 99 minutes.
Since there are 60 minutes in an hour, 99 minutes = 1 hr 39 min. add that to 21 hours = 22 hr. 39 min.
40
Convert 6 quarts 2 pints to pints.
There are 2 pints in a quart, so multiply 2 x 6 quarts = 12 pints. Add the extra 2 pints, giving you 14 pints.
41
Find the distance traveled at 52 miles per hour for 5 hours.
52 x 5 = 260 miles
42
Multiply 9 bushels 3 pecks by 8.
9 bu. 3 pk. x 8 ------------------- 72 bu. 24 pk. +6 bu. ---------------- 78 bu. 24 pk = 6 bu because there are 4 pk in a bu, so add 6 to 72 to give the answer of 78 bu.
43
Convert 176 fluid ounces to pints.
There are 16 fl. oz. in a pint, so 176 divided by 16 11 pints
44
Subtract 17% from 100%
83%
45
The number of feet in a mile
5280
46
Subtract 2/3 from 3/4
3/4 = 9/12 -2/3 = 8/12 --------------------- 1/12
47
The Criswell family left for their vacation at 7:15 A.M. Eastern Time and arrived at the amusement park at 5:20 P.M. Central Time. How long did it take the family to drive?
7:15 Eastern is 6:15 Central. From 6:15 to 12 noon is 5 hours 45 min. From noon to 5:20 is 5 hours 20 min. Add those to get 10 hours 65 min. 65 min. is 1 hour 5 min, so add that to the 10 hours 11 hours 5 min
48
A train traveled 399 miles in 7 hours. Find the train's speed.
399 miles/7 hours 399 divided by 7 = 57 miles per hour
49
Mr. West bought merchandise totaling $3,500. His overhead was $1,200. He sold the merchandise for $5,000. Find his percent of profit based on the cost, to the nearest whole percent.
NP = SP - (C + O) NP = $5000 - ($3500 + $1200) NP = 5000 - 4700 NP = 300 %P = NP/C %P = 300/3500 %P = 3/35 %P = 8.5 = 9%
50
Mrs. Fentry bought a dress that was 12% off. The list price was $54.50. Find the sale price.
The price was 12% off, so she paid 88% of the list price. 54.50 x .88 ---------- 436000 +436000 ------------- 479600 $47.96