SOLUTION: Jeff and Kirk can build a 75 ft wall together in 3 hours. Jeff has more experience, he could build the wall by himself 1 hour quicker than Kirk. How long would it take Kirk to buil

Question 1165520: Jeff and Kirk can build a 75 ft wall together in 3 hours. Jeff has more experience, he could build the wall by himself 1 hour quicker than Kirk. How long would it take Kirk to build the wall by himself?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!

                RATE

Kirk            1/k

Jeff            1/(k-1)

Together        1/3

.
.
.

About 6 hours 32 minutes
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