Question

the length of a rectangle exceeds the width by 7 cm. if the area is 60cm
,find the length the rectangle

Answer 1

Step-by-step explanation:

Let w be the width of the rectangle. Then the length is w+7. So:

w(w+7)=60

w²+7w-60=0

(w+12)(w-5)=0

w=-12 or 5

Throwing out tne negative result, we get the width to be 5 cm, and the length to be 12 cm. ☺☺☺☺

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