SOLUTION: Janet can shovel snow in her driveway in 65 minutes, Tom can do the same job in 45 mins. How long will it take if they work together?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Janet can shovel snow in her driveway in 65 minutes, Tom can do the same job in 45 mins. How long will it take if they work together?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 537068: Janet can shovel snow in her driveway in 65 minutes, Tom can do the same job in 45 mins. How long will it take if they work together?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Janet can shovel snow in her driveway in 65 minutes, Tom can do the same job in 45 mins. How long will it take if they work together?
.
Let x = time (mins) it takes for both
then
x(1/65 + 1/45) = 1
multiply both sides by (65)(45):
x(45 + 65) = (65)(45)
x(110) = 2925
x = 26.6 minutes