Question

Ken spent 1/5 of his allowance on a movie, 3/8 on snacks, and 2/7 on games. If his allowance was $20, how much did Ken have left?

Answer 1

Ken is left with $2.79.

Explanation:

We are given the following information in the question:

Ken allowance = $20

Money spent on movies =

`\displaystyle(1)/(5)* 20 = \$4`

Money spent n snacks =

`\displaystyle(3)/(8)* 20 = \$7.5`

Money spent on games =

`\displaystyle(2)/(7)* 20 = \$5.71`

Total money spent =

`4 + 7.5 + 5.71 = \$17.21`

Money left =

`=\text{Allowance}-\text{ Total money spent}\\= 20 - 17.21\\=\$2.79`

Ken is left with $2.79.