Question 289863
Persons A and B are 30 km apart. If they leave at the same time and travel in the same direction, A overtakes Bin 60 hours. If they walk toward each other they meet in5 hours. What is the sum of their rates, measured in km per hour? 
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The only part we need to solve this is:
"If they walk toward each other they meet in 5 hours.
 What is the sum of their rates, measured in km per hour?"
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5(A+B) = 30
A + B = {{{30/5}}}
A + B = 6 km/hr