MULTIPLY BY POWERS OF 10
DIVIDE BY POWERS OF 10

PROBLEMS (2)

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16.  a)  In a survey, 54 out of 100 people responded Yes.  What percent
14.  a)  responded Yes?  54%          

16.  b)  100 students were tested, and 36 got A.  What percent
15.  b)  got A?  36%          

16.  c)  Jackie had $100 and spent $12.50 for lunch? What percent of her 15.  b)  $100 did she spend for lunch?  12.5%

17.  How much is 100% of $34?  $34!

18.  How much is 1% of each of the following?  Place the decimal point.

   a)  $800  $8.00   b)   $4000  $40.00   c)  $370  $3.70
 
   d)  $375   $3.75   e)   $65  $.65   f)  $5.00  $.05

19.  a)  How much is 1% of $600?  $6.00

19.  b)  How much is 2% of $600?  $12.00

19.  c)  How much is 3%?  $18.00

19.  d)  How much is 11%?  $66.00

20.  How much is 8% of $900?  $72

21.  How much is 10% of each of the following.  Place the decimal point.

     a)  $800   $80   b)   $4000  $400   c)  $370  $37
 
     d)  $375   $37.50   e)   $65  $6.50   f)  $5.00  $.50

22.  a)  How much is 10% of $90?  $9.00

22.  b)  How much is 20% of $90?  $18

22.  c)  How much is 30%?  $27

22.  d)  How much is 80%?  $72

23.  How much is 90% of $70?  $63

24.  Change each number to a percent.  Multiply by 100.

24. a)  .68 = 68%   b)  .34 = 34%
24. c)  7.2 = 720%   d)  .694 = 69.4%
24. e)  .085 = 8.5%   f)  6 = 600%
24. g)  15 = 1500%   h)  3.28 = 328%
24. i)  12.5 = 1,250%   j)  10 = 1000%

25.  Change each percent to a number.  Divide by 100.

25. a)  14%  = .14   b)  .14% = .0014
25. c)  39% = .39   d)  .39% = .0039
25. e)  8% = .08   f)  .8% = .008
25. g)  5% = .05   h)  .05% = .0005
25. i)  2.6% = .026   j)  78.9% = .789
25. k)  750% = 7.5   l)  2000% = 20
25. m)  900% = 9   n)  265% = 2.65
25. o)  120% = 1.2   p)  5.28% = .0528

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