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OpenStudy (anonymous):
Find dimensions of rectangle whose width is 7 miles less than length, and whose area is 78. Please help! I gotta go soon.
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OpenStudy (anonymous):
a*(a-7)=78
OpenStudy (anonymous):
Why are you multiplying a?
OpenStudy (anonymous):
Can you give me an equation? I can solve from there, its setting it up that bothers me
OpenStudy (anonymous):
lw=78 l=w-7
OpenStudy (anonymous):
w=l-7****
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