$3.75
Step-by-step explanation:
times 3.25 by 5 which is 16.25 then do 20 - 16.25
Answer:
5 inches
(5 + x)(10 + x) = 6x²
x² + 15x + 50 = 6x²
5x² - 15x + 50 = 0
x² - 3x + 10 = 0
(x - 5)(x + 3) = 0
x = 5, x = -3
We want x to be positive, so x = 5.
Thus, each dimension must be increased by 5 inches.