Question

The width of a rectangle is 5 ft less than the length and the area is 150 find the dimensiokns

Answer 1

Let l be the length and l-5 be the width. Then:
l(l-5)=150
l²-5l-150=0
(l-15)(l+10)=0
l=15 or -10
The dimesions are 10 ft x 15 ft
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