In a marathon race, Sudhir ran 48 Km at an average speed of x km/h and Ravi ran the race 3 km /h faster than Sudhir and finished the race 32 minutes before Sudhir. Solve for x.
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the speed = X+3,distance=48,time =32
speed=distance /time
(x+3)=48/32
1.(x+3)32=48
2.-48+96=32x
3.48=32x
4.48/32=32x/32
5.x=1.5km/h
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