Fractions, Decimals, And Percents Worksheet Page 27
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42English
Spanish
Exercises
4.4
Help with Homework
1.
DIFFERENT WORDS, SAME QUESTION
Which is different? Find “both” answers.
What is twenty percent of 30?
What is one-fi fth of 30?
What is 0.2 times 30?
What is 20 multiplied by 30?
2.
REASONING
If 52 is 130% of a number, is the number greater or less than 52?
Explain.
Find the percent of the number.
1
1
2 2
3. 20% of 60
4. 10% of 40
5. 18% of 70
6. 32% of 30
7. 8% of 90
8. 14% of 20
9. 26% of 50
10. 3% of 60
11. 30% of 70
12. 75% of 48
13. 45% of 45
14. 92% of 19
15. 40% of 60
16. 38% of 22
17. 70% of 20
18. 87% of 55
✗
19.
ERROR ANALYSIS
Describe and correct the
error in fi nding 40% of 75.
40% of 75 = 40% × 75 = 3000
20.
MANGROVES
Lake Worth, near West Palm Beach, had about 2120 acres of
mangrove trees 40 years ago. Only about 13% of the mangrove trees remain.
How many acres of mangrove trees remain?
21.
SPIDER MONKEY
The tail of the
spider monkey is 64% of its length.
What is the length of its tail?
22.
CABLE
A family pays $45 each month
for cable television. The cost increases 7%.
a. How many dollars is the monthly increase?
b. What is the new monthly cost?
Find the percent of the number.
3 3
23. 140% of 60
24. 120% of 33
25. 175% of 54
26. 250% of 146
27. 4.5% of 50
28. 0.7% of 40
29. 2.8% of 150
30. 7.2% of 235
172
Chapter 4
Fractions, Decimals, and Percents
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