SOLUTION: tim and galen were walking toward town at 3 km per hour. half an hour later, liz and tammy left from the same point and walked in the same direction at 4 km per hour. for how many

SOLUTION: tim and galen were walking toward town at 3 km per hour. half an hour later, liz and tammy left from the same point and walked in the same direction at 4 km per hour. for how many

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Question 904534: tim and galen were walking toward town at 3 km per hour. half an hour later, liz and tammy left from the same point and walked in the same direction at 4 km per hour. for how many hours had the boys walked when the girls caught up with them?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
t time boys walked
D = rt
3t = 4(t-.5)
2hr = t, time boys had walked when girls caught up
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