SOLUTION: You and your friends have been looking forward to having your faces painted. You can be charged $10 for 5 minutes of painting $12 for 7 minutes of painting. What's the better deal?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: You and your friends have been looking forward to having your faces painted. You can be charged $10 for 5 minutes of painting $12 for 7 minutes of painting. What's the better deal?      Log On


   

Question 993272: You and your friends have been looking forward to having your faces painted. You can be charged $10 for 5 minutes of painting $12 for 7 minutes of painting. What's the better deal?
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
you can calculate the total cost per minute and that would indicate which is the better deal on a cost per minute basis.

10 / 5 = 2 dollars per minute.

12 / 7 = 1.7142857154 dollars per minute.

the 12 dollars for 7 minutes is a better deal on a dollars per minute basis.