7th Grade Math

EP16 Extra Practice

Extra Practice

Multi-Part Lesson 6-1 (continued)

PART C PAGES 325–330

Estimate.

1. 28% of 48 2. 99% of 65 3. 445% of 20


2. 9% of 81 5. 73% of 240 6. 65.5% of 75


3. 48.2% of 93 8. 39.45% of 51 9. 287% of 122


4. 53% of 80 11. 414% of 72 12. 59% of 105


5. 50% of 37 14. 18% of 90 15. 300% of 245


6. 1% of 48 17. 70% of 300 18. 35% of 35


7. 60.5% of 60 20. 5 _^12 % of 100 21. 40.01% of 16


8. 80% of 62 23. 45% of 119 24. 14.81% of 986

Multi-Part Lesson 6-2: Proportions and Equations

PARTS A B PAGES 331–336

Find each number. Round to the nearest tenth if necessary.

1. What number is 25% of 280? 2. 38 is what percent of 50?


2. 54 is 25% of what number? 4. 24.5% of what number is 15?


3. What number is 80% of 500? 6. 12% of 120 is what number?


4. Find 68% of 50. 8. What percent of 240 is 32?


5. 99 is what percent of 150? 10. Find 75% of 1.


6. What number is 33 _^13 % of 66? 12. 50% of 350 is what number?


7. What percent of 450 is 50? 14. What number is 37 _^12 % of 32?


8. 95% of 40 is what number? 16. Find 30% of 26.


9. 9 is what percent of 30? 18. 52% of what number is 109.2?


10. What number is 65% of 200? 20. What number is 15.5% of 45?

PART C PAGES 337–341

Write an equation for each problem. Then solve. Round to the nearest

tenth if necessary.

1. Find 45% of 50. 2. 75 is what percent of 300?


2. 16% of what number is 2? 4. 75% of 80 is what number?


3. 5% of what number is 12? 6. Find 60% of 45.


4. 90 is what percent of 95? 8. 28 _^12 % of 64 is what number?


5. Find 46.5% of 75. 10. What number is 55.5% of 70?


6. 80.5% of what number is 80.5? 12. 66 _^23 % of what number is 40?


7. Find 122.5% of 80. 14. 250% of what number is 75?

EP2_EP36_ExtPract_M1_895130.indd EP16 1/6/10 11:46 AM