SOLUTION: Dan can do a piece of work in 8 days while Ed can do it it 24 days. How long it will take them to do work together?

SOLUTION: Dan can do a piece of work in 8 days while Ed can do it it 24 days. How long it will take them to do work together?

Algebra.Com

Question 905748: Dan can do a piece of work in 8 days while Ed can do it it 24 days. How long it will take them to do work together?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/a+1/b=1/x
1/8+1/24=1/x
3/24+1/24=1/x
4/24=1/x
x=6
x=6 hours working together
check
1/a+1/b=1/x
1/8+1/24=1/x
24/192+8/192=1/x
32/192=1/x
192/32=x
x=6 hours working together
ok

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