Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.4 - Linear Equations in One Variable and Problem Solving - Exercise Set - Page 198: 44


The price of the plow is \$150. The price of the tractor is \$1050.

Work Step by Step

Let $p$ be the price of the plow. The price of the tractor is $7p$. $p+7p=1200$ $\longrightarrow$combine like terms $8p=1200$ $\longrightarrow$multiplication property $8p\div8=1200\div8$ $\longrightarrow$simplify $p=150$ $7p=7\times150=1050$
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