SOLUTION: Bill can finish a report in 2 hours. Maria can finish the same report in 3.5 hours. How long will it take them to finish the report if they work together?

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Question 1071793: Bill can finish a report in 2 hours. Maria can finish the same report in 3.5 hours. How long will it take them to finish the report if they work together?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
REPORTS%2FHOURS

1%2F2%2B1%2F3.5

1%2F2%2B2%2F7

7%2F14%2B4%2F14

cross%2812%2F14%29
11%2F14



14%2F11------time in hours


Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!

Bill can finish a report in 2 hours. Maria can finish the same report in 3.5 hours. How long will it take them to finish the report if they work together?
Again, correct answer: highlight_green%28matrix%281%2C2%2C+1%263%2F11%2C+hours%29%29

Any other answer is sheer NONSENSE!!