The Length Of A Rectangle Is 6 Inches Longer Than The Width. If The Perimeter Is 40 Inches, What Are The Dimensions Of The Rectangle?
Answer:
Lets suppose
width=x
so
length=6+x
we are given that
P=40
The formula for the perimeter is:
P=2(L+W)
So
40=2(x+6+x)
adding
40=2(2x+6)
expanding
40=4x+12
shifting 12
4x=40-12
subtracting
4x=28
dividing
x=28/4
which is
x=7
so the width is 7
the length would be:
L=6+x
L=6+7
L=13
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