SOLUTION: Number 6: Phil can furnish the garage in 12 hours, and Rick can do it in 10 hours. They work together for 3 hours. How long will it take Rick to finish the job alone?

Algebra ->  Finance -> SOLUTION: Number 6: Phil can furnish the garage in 12 hours, and Rick can do it in 10 hours. They work together for 3 hours. How long will it take Rick to finish the job alone?      Log On


   

Question 118692This question is from textbook Algebra
: Number 6: Phil can furnish the garage in 12 hours, and Rick can do it in 10 hours. They work together for 3 hours. How long will it take Rick to finish the job alone? This question is from textbook Algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
in the time that they work together, Phil does 3/12 (25%) and Rick does 3/10 (30%)

this leaves 45% of the job to do ___ 45% of 10 hr is 4.5 hr