PERCENT OF A NUMBER

PROBLEMS (2)

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Do the problem yourself first!

Base = Amount ÷ Percent × 100

Check each answer from 1% of it.

10.  32 is 8% of what number?  400

11.  48 is 6% of what number?  800

12.  3% of what number is 18?  600

13.  4% of what number is $1.20?  $30

14.  $60 is 5% of  $1200.

15.  5% of  $840 is $42.

16.  14 is 4% of  $350.

17.  12% of  250 is 30.

18.  Colin is about to withdraw money from his retirement account.  He
18.  needs $2400.  But a tax of 20% will be withheld.  How much should
18.  he actually request?  $3000

Parts

19.   8 is two thirds of 12.   20.   12 is two thirds of 18.
 
21.   12 is three fourths of 16.   22.   18 is three fourths of 24.
 
23.   14 is two fifths of 35.   24.   27 is three fifths of 45.
 
25.   25 is five eighths of 40.   26.   14 is seven eighths of 16.
 
27.   15 is 75% of 20.   28.   24 is 75% of 32.
29.   18 is 66 2
3
% of 27.   30.   8 is 66 2
3
% of 12.
31.   10 is 40% of 25.   32.   12 is 60% of 20.
 
33.   30 is 250% of 12.   34.   28 is 350% of 8.
35.   125% of 28 is 35.   36.   133 1
3
% of 27 is 36.
37   175% of 20 is 35.   38.   250% of 18 is 45.

Calculator problems

  39.  a)  $688.20 is 33 1
3
% of $2,064.60.   b)  $688.20 is 66 2
3
% of $1,032.30.

40.   How much is 4½% of $309.20?  $13.91

41.   $309.20 is 4½% of how much?  $6,871.11

  42.  9 3
4
% of $887.18 is $86.50.     
  43.   How much is 9 3
4
% of $86.50?  Approximately $8.43

Continue on to the next Lesson.

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