SOLUTION: The width of a rectangle is 3 ft, its length is (6x + 2) ft, and its area is 80 ft². Find x.
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Question 459524: The width of a rectangle is 3 ft, its length is (6x + 2) ft, and its area is 80 ft². Find x.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
The width of a rectangle is ,
the length is , and
the area is
Find :
so,
check:
...round up
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