the width of a rectangle is three more than half the length. its perimeter is 78 centimeters, find the length and width
1 answer:
Answer:
length=l=21
width = w =18
Step-by-step explanation:
78 = 2(2w +3 +w)
39 = 2w + 3+ w
39= 3w + 3
36=3w
18 =w
l=w+3 =18+ 3=21
so dimensions are
length=l=21
width = w =18
I think this is the answer, if not i'm so sorry :/
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