Question

A rectangular garden is 20 ft longer than it is wide. Its area is 5525ft^2 . What are its dimensions?

Answer 1

x(x + 20) = 5,525

x² + 20x = 5,525

x² + 20x + 100 = 5,625

(x + 10)² = 5,625

x + 10 = 75

x = 65, x + 20 = 85

The dimensions of this garden are 65 feet and 85 feet.