SOLUTION: A boy going to a certain town 27 miles away rode on a bicycle part of the way and walked the remaining part of the journey. He traveled by bicycle at the rate of 15 miles per hour
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Question 775626: A boy going to a certain town 27 miles away rode on a bicycle part of the way and walked the remaining part of the journey. He traveled by bicycle at the rate of 15 miles per hour and walked at the rate of 4.5 miles per hour. If he covered the whole journey in 2.5 hours, how far did he travel at each rate? Answer by psbhowmick(878) (Show Source):
You can put this solution on YOUR website! Suppose the boy travelled x miles on bicycle.
Therefore, he must have travelled (27 - x) miles on foot. (since total distance travelled is 27 miles)
Time (in hours) taken for riding bicycle = (Distance covered on bicycle)/(Speed of bicycle) = x/15
Time (in hours) taken for walking = (Distance covered on foot)/(Speed of walking) = (27 - x)/4.5
Total time taken:
Hence, the boy travelled 22.5 miles on bicycle and remaining (27 - 22.5 =) 4.5 miles on foot.
