The area of a rectangular wall of a barn is 144 square feet. Its length is 10 feet longer than the width. Find the length and wi
dth of the wall of the barn.
The width is __feet.
1 answer:
Answer:
8 feet
Step-by-step explanation:
Let l and w be length and width, respectively. Then:
lw=144 and
l=w+10
So:
w(w+10)=144
w²+10w-144=0
(w+18)(w-8)=0
w=8 as the width ................
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