Math 702 Lesson 3 The Range Of Data / Lesson 4 Calculating Interest For Months Worksheet Page 4
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10Lesson 3
22. When the transmission went out on Mary’s 12-year-old car,
she borrowed $2,500 from her brother to buy a newer used
car. Her brother charged her a low interest rate of 2%. If
Mary paid back the loan in 11 years, how much did she pay
her brother altogether?
23. Eva’s students enjoy monitoring the six bluebird nest boxes
that are used by bluebirds and tree swallows on the school
property. Two years ago, the bluebirds fledged 9 young; last
year, 14 bluebirds were fledged. What was the percent of
increase in the number of fledglings last year?
Round to the
nearest whole percent.
Find the sale price.
24. The regular price was $14.42. The sale is 12% off.
The sale price is
.
If bluebird nest boxes are erected in
back-to-back pairs, bluebirds will nest in
Solve.
the one, and tree swallows will nest in
the other, but neither will tolerate birds
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25. 9 is
of what number?
like themselves in the other box.
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26. 39 is what fraction of 52?
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27. What is
of 51?
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Simplify the expressions.
33
¶
28. a. 2
• 3
• 11
b. 7 •
– 6 + 3
c. 5
– (9 – 4) •
25
d. 3 • 8n
2
2
3
11
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