SOLUTION: Jane can complete a sales route by herself in 5 hours. Dave can do the same in 3. How long would it take them working together?
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Question 1075945: Jane can complete a sales route by herself in 5 hours. Dave can do the same in 3. How long would it take them working together? Answer by jorel1380(3719) (Show Source):
You can put this solution on YOUR website! Jane can complete a sales in 5 hours, or 1/5th of a route per hour. Dave does 1/3rd a route an hour. So, together:
1/5+1/3=3+5/15=8/15 a route per hour.
1/(8/15)=15/8 hours as the amount of time they can finish a route working together. ☺☺☺☺
