6th Grade Math Textbook, Progress

Use the formula and decimals to solve for the variable.

1. 30% of 60
   a 2. 50% of 32
   d 3. 75% of 80
   g


2. 25% of 44
   b 5. 10% of $ 18
   e 6. 20% of $ 70
   h


3. 5% of 800
   c 8. 6% of 700
   f 9. 35% of 120
   i

Use the formula and fractions to solve for the variable.

10. 40% of 20
    j 11.60% of 60
    m 12. 75% of 120
    p


11. 15% of 40
    k 14.2% of $ 8.00
    n 15. 3% of $ 5.00
    q


12. 56% of 400
    l 17.88% of 250
    o 18. 95% of 240
    r

Percentage Using Proportions

In the basketball game between the sixth and seventh grades, 62.5%

of 24 free throws were made. How many free throws were made?

To find how many free throws, write a proportion and solve.

Let n
the number of free throws made.

part  part

2

n

4


^6

1

2

0

.

0

^5 

2

n

4


^6

1

2

0

.

0

^5

whole whole

100 n
 24 62.5

100 n 100 
 1500  100

So 15 free throws were made. n
 15

Use a proportion to find the percentage of the number.

19. 40% of 25 20. 25% of 96 21.80% of 90


20. 55% of 200 23. 76% of 475 24.12% of 625


21. 37.5% of 56 26. 62.5% of 320 27.87.5% of 480

Find the percentage of the number.

28. 150% of 4 100% of 4
    4; 50% of 4
    ^12 of 4
    2; 4  2
    6


29. 150% of 80 30. 110% of 200 31.250% of 600

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