Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-4 Solving Multi-Step Inequalities - Practice and Problem-Solving Exercises: 57

Answer

a) 73 boxes b) 4 trips

Work Step by Step

a) $4000\geq 210 + 95 + 50x$ $4000\geq 305 + 50x$ $4000-305\geq 305-305 + 50x$ $3695 \geq 50x$ $3695/50 \geq 50x/50$ $73.9 \geq x$ At most, 73 boxes can be moved in one trip. b) $275/73 = x$ $3.767 = x$ 4 trips are needed.
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