Question

if student cycle down to school at 12km/h 10 min early and 9km/h he is 5min late find distance​

Answer 1

Answer:

let distance be x

time taken to cover x distance = x/12hr

time taken to cover x distance = x/ 9 he

difference in time 10 +5

15 min

x/9 - x/12= 1/4

answer is 9 km

Step-by-step explanation:

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