the length of a rectangular poster is 10 inches longer than the width. if the perimeter of the poster is 124 inches, what is the
width?
1 answer:
The formula for the perimeter is 2L + 2W.
Since we know that L=10+W, we can substitute this into the equation.
2(10+W) +2W=124
20+2W + 2W=124
4W +20 = 124
4W=104
W=26
Therefore, the width is 26 inches.
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