# A train travels 60km in M minutes. If it's average speed is 400km per hour find the value of M?

##### 2 Answers

Aug 5, 2018

the value of M is 9 min.

#### Explanation:

D = RT

The distance D = 60 km

the rate R = 400km/hr

M = the time in mins.

Substitute the values into the D =RT equation and solve.

Change the Rate to 400 km/60 min

Multiply both sides by the inverse of the Rate

This gives

Dividing gives

Aug 5, 2018