Question

You are building a rectangular deck. The area of the deck should be 675 square feet. You want the length of the deck to be 3 times the width. Using an equation,model the area of the deck,and then find its dimensions

Answer 1

x * 3x = 675

3x^2 = 675
x^2 = 225
x = 15
so the deck is 15x45 = 675