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klemol [59]
3 years ago
8

A rectangular flower bed is five feet longer than it is wide. its area is eighty-four square feet.

Mathematics
1 answer:
777dan777 [17]3 years ago
3 0
Lets say w is the width of the flower bed. We can make an equation to find the area.
The length of the of the flower bed is (w+5) and the width is w.
To find the area we need to multiply the length(w+5) by the width(w) and set it equal to 84,
(w+5)(w)=84
w^2 +5w=84
Using the quadratic equation you get the solutions of 7 and -12. Since 7 is positive it is our width. Our length is 7+5 or 12.
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