Question

By what percent will the product of two numbers decrease if one of them is decreased by 20% and the other is decreased by 50%?

Answer 1

(x - .20)(x - .50)

`x^(2)` = (.20)(.50)

`x^(2)` = 0.1

x =
`\sqrt{ .1`

x = .32

the product of two numbers decrease by 32%