SOLUTION: A rectangle has a length of 15 inches and a width of 8 inches. If the length is increased by x inches and the width increased by twice that amount, express the area A of the rectan

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: A rectangle has a length of 15 inches and a width of 8 inches. If the length is increased by x inches and the width increased by twice that amount, express the area A of the rectan      Log On


   

Question 1073993: A rectangle has a length of 15 inches and a width of 8 inches. If the length is increased by x inches and the width increased by twice that amount, express the area A of the rectangle as a function of x, where A is measured in square inches.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Original area, A=15%2A8.

Increase the 15 by x inches and increase of the 8 by 2x inches means
A%28x%29=%28x%2B15%29%282x%2B8%29.