A contractor bought \( 12.6 ft ^ { 2 } \) of sheet metal. He has used \( 3.5 ft ^ { 2 } \) so far and has \( \$ 145.60 \) worth of sheet metal remaining. The equation \( 12.6 x - 3.5 x = 145.6 \) represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square foo Sheet metal costs per square foot.
Pregunta
Answer
16
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