SOLUTION: The perimeter of a parallelogram is 31 meters. The length is 7a and the width is 12 + 10a. Find a.
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Question 964310: The perimeter of a parallelogram is 31 meters. The length is 7a and the width is 12 + 10a. Find a.
Answer by EdenWolf(517) (Show Source): You can put this solution on YOUR website!
The equation for the perimeter is , so plug in what you know into the equation.
Now solve for a.
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