# Rectangle

The length of one side of the rectangle is three times the length of the second side. What are the dimensions of the rectangle if its circumference 96 cm?

a =  36
b =  12

### Step-by-step explanation:

a=3b
2(a+b)=96

a=3•b
2•(a+b)=96

a-3b = 0
2a+2b = 96

a = 36
b = 12

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