Answer
36 gallons
Work Step by Step
Regular shower head (7 gallons per minute)
Used for 8 minutes: $8\times7=56$
Water saving shower head (2.5 gallons per minute)
Used for 8 minutes: $8\times2.5=20$
Amount of water saved: $56-20=36$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Practice and Problem-Solving Exercises - Page 51: 74
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