FDPs Flashcards

0
Q

Percent increase of 20%…

A

= new percent of 120%

OR multiply original value by 6/5

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1
Q

Percent increase of 10%…

A

= new percent of 110%

OR multiply original value by 1.1

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2
Q

Percent increase of 25%…

A

= new percent of 125%

OR multiply original value by 5/4

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3
Q

Percent increase of 50%…

A

= new percent of 150%

OR multiply original value by 3/2

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4
Q

Percent increase of 100%…

A

= new percent of 200%

OR multiply original value by 2

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5
Q

Percent decrease of 10%…

A

= new percent of 90%

OR multiply original value by .9

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6
Q

Percent decrease of 20%…

A

= new percent of 80%

OR multiply original value by .8 or 4/5

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7
Q

Percent decrease of 25%…

A

= new percent of 75%

OR multiply original value by .75 or 3/4

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8
Q

Percent decrease of 50%…

A

= new percent of 50%

OR multiply original value by 1/2

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9
Q

Percent decrease of 75%…

A

= new percent of 25%

OR multiply original value by 1/4

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10
Q

Convert .01 to percent and fraction

A

1% and 1/100

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11
Q

Convert .05 to percent and fraction

A

5% 1/20

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12
Q

Convert .1 to percent and fraction

A

10% and 1/10

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13
Q

Convert .125 to percent and fraction

A

12.5% and 1/8

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14
Q

Convert .2 to percent and fraction

A

20% and 1/5

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15
Q

Convert .25 to percent and fraction

A

25% and 1/4

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16
Q

Convert .3 to percent and fraction

A

30% and 3/10

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17
Q

Convert .3333 to percent and fraction

A

33.33% and 1/3

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18
Q

Convert .375 to percent and fraction

A

37.5% and 3/8

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19
Q

Convert .4 to percent and fraction

A

40% and 2/5

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20
Q

Convert .5 to percent and fraction

A

50% and 1/2

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21
Q

Convert .6 to percent and fraction

A

60% and 3/5

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22
Q

Convert .625 to percent and fraction

A

62.5% and 5/8

23
Q

Convert .666 to percent and fraction

A

66.666% and 2/3

24
Q

Convert .7 to percent and fraction

A

70% and 7/10

25
Q

Convert .8 to a percent and fraction

A

80% and 4/5

26
Q

Convert .875 to percent and fraction

A

87.5% and 7/8

27
Q

Convert .9 to percent and fraction

A

90% and 9/10

28
Q

Convert 1.2 to percent and fraction

A

120% and 6/5

29
Q

Convert 1.25 to percent and fraction

A

125% and 5/4

30
Q

Convert 1.5 to percent and fraction

A

150% and 3/2

31
Q

2%

A

1/50

32
Q

4%

A

1/25

33
Q

5%

A

1/20

34
Q

8.33%

A

1/12

35
Q

12.5%

A

1/8

36
Q

16.67%

A

1/6

37
Q

37.5%

A

3/8

38
Q

40%

A

2/5

39
Q

60%

A

3/5

40
Q

62.5%

A

5/8

41
Q

66.67%

A

2/3

42
Q

80%

A

4/5

43
Q

83.33%

A

5/6

44
Q

87.5%

A

7/8

45
Q

120%

A

6/5

46
Q

125%

A

5/4

47
Q

133.33%

A

4/3

48
Q

150%

A

3/2

49
Q

175%

A

7/4

50
Q

800, increased by 50% and then decreased by 30%, yields what number?

A

840

51
Q

If 1500 is increased by 20% and then reduced by y%, yielding 1,080, what is y?

A

40%

52
Q

Percent change equation

-if you want to find CHANGE in percent or change in actual value

A

Percent change = change in value/ original value

53
Q

If the price of a $30 shirt is decreased by 20%, what is the final price of the shirt?

Want to find final price…

A

New percent = new value/ original value

80/100 = x/ 30

54
Q

Simplify (4x10^-2)-(2.5x10^-3)

A

0.0375

55
Q

Simplify 8th sq rt (0.00000256)

A

Write as decimal raised to fractional power, using powers of ten

(0.00000256)^(1/8) x (10^-8)^(1/8)

2x10^-1 = .2

56
Q

0.0003 x 40,000 =

A

Multiplication - trade decimals

3 x 4 = 12