Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
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Chapter 6 - Percent - Review Exercises - Page 469: 33

Answer

The couple will save $13,005 in a year.

Work Step by Step

Find the total budgeted for specific items. $b=25+20+7+5+10+12+4=83$ 83% is budgeted for specific needs. 100% represents the total earnings. 100-83 is the percent available for savings. 17%. Jack earns 2850 per month. Jack's annual earnings are $2850*12=34,200$. Jack and Jill's total annual earnings are $34,200+42,300=76,500$. Part=percent*whole, so the amount saved in a year is $0.17\times76,500=13,005$
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