math
posted by claire .
A rectangle has an area about 225m^2. the width is about 40m less than the length. Find the approximate dimensions of the playing surface. use factoring.

W = L  40
W * L = 225
Substitute L40 for W in second equation and solve for L. Insert that value into the first equation and solve for W. Check by inserting both values into the second equation. You will have to factor the second equation to solve.
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