SOLUTION: At Keith's auto shop, it takes 13 minutes to do an oil change and 8 minutes to do a tire change. Keith has less than 2.5 hours (150 minutes) left to work before he has to leave fo

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: At Keith's auto shop, it takes 13 minutes to do an oil change and 8 minutes to do a tire change. Keith has less than 2.5 hours (150 minutes) left to work before he has to leave fo      Log On


   



Question 609510: At Keith's auto shop, it takes 13 minutes to do an oil change and 8 minutes to do a tire change. Keith has less than 2.5 hours (150 minutes) left to work before he has to leave for the day. Write an inequality that gives the number of oil changes,x, and the number of tire changes,y, that he can do before he leaves.
Answer by richwmiller(17219) About Me  (Show Source):