The distance between City M and City N was 870 km apart. A van travelled at an average speed of 89 km/h from City M to City N. At the same time, a convertible travelled at an average speed of 85 km/h from City N to City M. How much further did the van travel than the convertible when the van met the convertible on the way?
Combined speed of the van and the convertible
= 89 + 85
= 174 km/h
Time taken for the van and the convertible to meet
= 870 ÷ 174
= 5 h
Difference in the speed between the van and the convertible
= 89 - 85
= 4 km/h
Distance that the van travelled further than the convertible
= 5 x 4
= 20 km
Answer(s): 20 km