I walk a certain distance and ride back taking a total time of 37 minutes. I could walk both ways in 55 minutes. How long would it take me to ride both ways ?
time to taken walk single way = $$\frac{55}{2}$$ = 27.5 m
time taken to ride 1 way = 37-27.5 = 9.5m
time taken to ride both ways = 9.5*2 = 19 m
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