SOLUTION: Zach has 3/4 hour to play video games. It takes him 1/12 hour to set up the system. Each round of his favorite game takes 1/6 hour. How many rounds can he play?

Question 1131507: Zach has 3/4 hour to play video games. It takes him 1/12 hour to set up the system. Each round of his favorite game takes 1/6 hour. How many rounds can he play?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Zach has 3/4 hour to play video games.
It takes him 1/12 hour to set up the system.
Each round of his favorite game takes 1/6 hour.
How many rounds can he play?
:
let n = no. of video games played
n + =
multiply equation by 12
12*n + 12* = 12*
cancel the denominators
2n + 1 = 3(3)
2n + 1 = 9
2n = 9 - 1`
n =
n = 4 video games
:
:
Check:
+ =
+ = =
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