Asked by Jenny

Rachel can finish the job in 5 hours, while Carl can finish the same job in 8 hours. How long will it take them to finish the job together?
Answered by David
3.07 hours?
Answered by oobleck
1/5 + 1/8 = 1/x
x = 40/13
So, yes ... 3.0769
Answered by meow
1/5+1/8 is equal to 1/x
so..
x=40/13
40/13 as a decimal is 3.0769
Answer: 3.0769
Enjoy!!
Answered by ur bad
ur bad
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