Sam saved $50 from his summer job to buy video games. He bought 3 video games and the cashier gave him $12.80 in change. If each game cost the same
amount, how much was each video game?

$12.40

subtract 12.80 from 50 to get 37.20 then divide by 3

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice