SOLUTION: It will take John 4 days to string a certain fence.
If Mary could string the same fence in 3 days,
how long will it take them if they work
together?
Algebra ->
Finance
-> SOLUTION: It will take John 4 days to string a certain fence.
If Mary could string the same fence in 3 days,
how long will it take them if they work
together?
Log On
Question 875495: It will take John 4 days to string a certain fence.
If Mary could string the same fence in 3 days,
how long will it take them if they work
together? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! |Multiplying thru by 12x so as all denominators = 1
3x + 4x = 12
7x = 12
x = 12/7 0r 1 5/7 days
