SOLUTION: Vern can shovel snow from his driveway in 45 minutes. Nina can do the same driveway in 60 minutes. How long will it take them to do the driveway if they work together?

SOLUTION: Vern can shovel snow from his driveway in 45 minutes. Nina can do the same driveway in 60 minutes. How long will it take them to do the driveway if they work together?

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Question 283244: Vern can shovel snow from his driveway in 45 minutes. Nina can do the same driveway in 60 minutes. How long will it take them to do the driveway if they work together?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
x/45+x/60=1
x/3+x/4=15
4x+3x=180
7x=180
x=25 5/7 minutes
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