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Mathematics 9 Online
OpenStudy (lilkg77):

Help!! Question and answer in screenshot

OpenStudy (lilkg77):

OpenStudy (anonymous):

Lets try this step-by-step to solve for "l"

OpenStudy (anonymous):

\[P = 2l + 2w\]

OpenStudy (anonymous):

\[2l + 2w = P\]

OpenStudy (anonymous):

\[2l = P - 2w\]

OpenStudy (anonymous):

\[l = (P - 2w) \div 2\]

OpenStudy (anonymous):

So "D" is the right answer choice

OpenStudy (lilkg77):

Thanks! @praty9

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