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A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 12 ft.?
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5 votes
A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 12 ft.?

User Priyank Thakkar
by
9.1k points

2 Answers

5 votes
(12+l)*2=108

12+l=54

l=42

Answer: 42
User Nige
by
8.7k points
1 vote
The length will be 42 because perimeter is found by adding all the lengths of the sides together.

so:
(two sides) 12*2=24
108-24=84
84/2=42
User Alex Logvin
by
8.3k points
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