Question

A car travels at 40 kilometers per hour. how much time he will need to travel 30 km

Answer 1

45 minutes or can be also 0.75 hours

Explanation:

per hours refers to 1 hours.

40 km ---> 1 hours

1 km ---> 1/40 hours

30 km ---> { (
`(1)/(40)` ) * 30} hours

--> 0.75 hours

Conversion: 0.75 * 60 minutes

: 45 minutes