# SOLUTION: The height of a box is 10 inches. The length is three inches more than the width. Find the width if the volume is 540 cu inches

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 Click here to see ALL problems on Geometry Word Problems Question 551492: The height of a box is 10 inches. The length is three inches more than the width. Find the width if the volume is 540 cu inches Answer by TutorDelphia(193)   (Show Source): You can put this solution on YOUR website!Start with the formula v=l*w*h Write the info given in the problem l=w+3 540=10*l*w sub in w+3 for l 540=10(w+3)*w Solve for w 540=10w(w+3) 540=10w^2+30w 0=10w^2+30w-540 0=10(w^2+3w-54) 0=10(w+9)(w-6) w=-9 or 6 6 is the only reasonable answer And to check 10*9*6=540