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Mathematics 20 Online
OpenStudy (anonymous):

How do I find the expression for the perimeter of this rectangle: l = 2a + 9b/3a + 7b, w = 4a + 5b/3a + 7b?

OpenStudy (anonymous):

\[P= \left( 4a + 5b \div 3a + 7b + 2a + 9b/ 3a + 7b\right) \]

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