SOLUTION: if i can compleate a science project alone in 9 hours, and you compleate the same project in 4.5 hours, how long would it take for us to compleate the project together?

SOLUTION: if i can compleate a science project alone in 9 hours, and you compleate the same project in 4.5 hours, how long would it take for us to compleate the project together?

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Question 435930: if i can compleate a science project alone in 9 hours, and you compleate the same project in 4.5 hours, how long would it take for us to compleate the project together?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
1/9+1/4.5=1/t
t+2t=9
3t=9
t=3
It would take us 3 hours working together to finish the project..
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