A man can cover a certain distance in 42 minutes. He
covers two thirds of it at a speed of 4 km per hour and
the remaining at a speed of 5 km per hour. The total
distance is
Answers
Answered by
3
heya ur ans is 3km.
Description for Correct answer:
2/3/d4+1by3/d5=4260
2d/12+d/15=42/60
10d+4d/60=42/60.
Similar questions