SOLUTION: Pam and John, working together, can mow the lawn in 2 hours. Working alone, John takes twice as long as Pam. How long does it take Pam to mow the lawn alone?

Question 1157699: Pam and John, working together, can mow the lawn in 2 hours. Working alone, John takes twice as long as Pam. How long does it take Pam to mow the lawn alone?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Their rate working together is
[ 1 job done ] / [ 2 hrs ] =
Let = time in hrs for Pam to
mow the lawn alone
Pam's rate is
John's rate is
------------------------------
Add their rates to get the rate working together

Multiply both sides by

hrs
Pam takes 3 hrs working alone
-------------------------------------
check:

OK

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