SOLUTION: bob takes 8 hours to do a task while his son takes 10 hours. How long will it take them to do the task if they work together?

SOLUTION: bob takes 8 hours to do a task while his son takes 10 hours. How long will it take them to do the task if they work together?

Algebra.Com

Question 1029584: bob takes 8 hours to do a task while his son takes 10 hours. How long will it take them to do the task if they work together?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Question asks for the sum of their individual rates. Make sure you handle in unit of TASK per HOUR.
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