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.A contractor bought 6.4ft^2 of sheet metal. He has used 2.1ft so far and has ​$77.40 worth of sheet metal remaining. The following equation represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square​ foot? 6.4x - 2.1x = 77.4

User Oratis
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2 Answers

3 votes
$18 per foot is correct

bye noww
User Godzsa
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3 votes

Answer:

$18 per square foot

Explanation:

6.4x-2.1x=77.4

4.3x=77.4

(divide by 4.3 on both sides)

x=18

Hope this helps!

User Liu Dongyu
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