Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 1 - Whole Numbers - Test - Page 112: 20

Answer

Judy has approximately 1100 left. Judy has exactly 1140 left.

Work Step by Step

Estimate the total rent received using front end rounding to approximate each payment. $458 \approx 500$ $500 \approx 500$ $515 \approx 500$ $425 \approx 400$ Add the approximated amounts to get the approximate total rent. $500 + 500 + 500 + 400 = 1900$ Using front end rounding determine the approximate expenses. $785 \approx 800$ Deduct the expenses from the rent received to determine how much Judy has left. $1900 - 800 = 1100$ Determine the exact amount Judy has left by first adding all the rent amounts together. $485 + 500 + 515 + 425 = 1925$ Deduct the actual expenses to determine how much of the rent Judy has left after expenses. $1925 - 785 = 1140$
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