Question

Kimmy has played video games 24 hours over the last 9 days. She played either 2 hours a day or 3 hours a day. During the 9 day period, how many days did Kimmy play for two hours a day?

Answer 1

thank you. that was very helpful

Explanation:

Answer 2

The number of days when Kimmy play for two hours a day is 3.

Explanation:

Let the number of days when Kimmy play for two hours a day be x. So, the number of days when Kimmy play for three hours a day is 9-x.

It is given that Kimmy has played video games 24 hours over the last 9 days.

`2(x)+3(9-x)=24`

`2x+27-3x=24`

`-x+27=24`

Subtract 27 from both the sides.

`-x=24-27`

`-x=-3`

`x=3`

Therefore the number of days when Kimmy play for two hours a day is 3.