Question
Ravi goes to college from his village at the speed of
5km/h and returns at the speed of 4km/h. If he takes 9 hours in all, find the distance (in km) between the village and the college.Solution
Let distance = x km Time to college = x ÷ 5 Time to return = x ÷ 4 Total time = 9 hours So, 
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