Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 1 - Problem Solving and Critical Thinking - 1.3 Problem Solving - Exercise Set 1.3: 32

Answer

There are 13 ways to receive change back from a ten dollar bill if your purchase amount is 9.74.

Work Step by Step

If you spend 9.74 and pay with a ten dollar bill, you will get 26 cents back in change. The possibilities are: 1 quarter and 1 penny 2 dimes, 1 nickel, and 1 penny 2 dimes and 6 pennies 1 dime, 2 nickels, and 6 pennies 1 dime, 3 nickels, and 1 penny 1 dime, 1 nickel, and 11 pennies 1 dime and 16 pennies 5 nickels and 1 penny 4 nickels and 6 pennies 3 nickels and 11 pennies 2 nickels and 16 pennies 1 nickel and 21 pennies 26 pennies
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