Question

Jill is thinking of a number. Twenty less than one forth of the number is -45. Find Jill's number.

Answer 1

-31.25

Explanation:

Jill's number=[1/4×(-45)]-20

=-11.25-20

=-31.25

Answer 2

The number is -100, Jill can think of something else, now.

Explanation:

x = the number

x/4 - 20 = -45 {twenty less than one-fourth of the number is -45}

x/4 = -25 {added 20 to each side}

x = -100 {multiplied each side by 4}