Question

Marge earned money for helping a local business. She spent 1/2 of the money on her phone, and the remaining 1/2 on a gift. She has $15 left. How much money did she earn?

Answer 1

Marge has earned $60.

Explanation:

Let the total money she earned be x.

Money spent o the phone =
`(1)/(2)x=0.5x`

Money left with Marge after buying phone= x - 0.5 x = 0.5 x

Money spent on the gift=
`(0.5x)/(2)=0.25x`

Money left with Marge after buying gift= 0.5 x - 0.25 x = 0.25x

Final amount left with marge = $15

`\$15=0.25x`

`x=(\$15)/(0.25)=\$60`

Marge has earned $60.