Parallelogram

The perimeter of the parallelogram is 417 cm. The length of one side is 1.7-times longer than the length of the shorter side. What is the length of sides of a parallelogram?

Correct result:

a =  77.2222
b =  131.2778

Solution:

2(a+b) = 417; b = 1.7 a

2•(a+b) = 417
b = 1.7•a

2a+2b = 417
1.7a-b = 0

a = 695/9 ≈ 77.222222
b = 2363/18 ≈ 131.277778

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