SOLUTION: If a man can walk 4km in 1 hour and his wife can walk 5km in 1 hour, how many minutes will it take them to meet if they begin walking at the same time at opposite ends of a 12km ro

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Question 666995: If a man can walk 4km in 1 hour and his wife can walk 5km in 1 hour, how many minutes will it take them to meet if they begin walking at the same time at opposite ends of a 12km road and have agreed to meet at the halfway point?

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let t=hrs, v=km/hr and d=km
vt=d
t(4+5)=12
9t=12
t=12/9=4/3 hr = 80 min. The time it will take them to meet. They will NOT meet at the "halfway point" because the wife will have walked farther than her husband.
.
Ed