SOLUTION: the width of a rectangle is 15 cm less than 3 times the lenght if the area is 42 square cm find the dimensions of the rectangle

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Question 1063327: the width of a rectangle is 15 cm less than 3 times the lenght if the area is 42 square cm find the dimensions of the rectangle
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w for Width
L for Length
system%28w=3L-15%2CwL=42%29

Simple substitution and solving of the resulting quadratic equation.