Hi

A man travels 42km in 45 min what is his average speed in km/hr

Let x represent distance traveled in 60min to find km/hr

 Inquiry sets UP the Proportion   

        |Cross Multiplying to solve

       45x = 42·60

         x = 42·60 / 45  

         x = 14*4 = 56 km/hr 

RELATED QUESTIONS

if a man walks 6 km in 45 minutes what is his average speed in... (answered by JBarnum)

If a car travels at 45 miles/hr, what is its speed in... (answered by nerdybill)

        What is the average speed in km/h for a car that travels 50.0 km in 40... (answered by ikleyn)

a man rows 1 km upstream in 20 min and 1 km downstream in 15 min. what is his speed of... (answered by Alan3354)

a car travels 300 km in 6 hours what is the average speed of the car in km/hr??  (answered by ewatrrr,John10)

What is the average speed in km/h for a car that travels 50.0km in 40.0... (answered by MathLover1)

a car travels 1.2 km in 1 min. what is average speed in kilometers per hour? how do you... (answered by Earlsdon)

What is the average speed in km/h for a car that travels 50.0km in... (answered by bijaysumi)

If a train travels at the speed of 45 km/hr, it is late by 48 minutes. If it travels 50... (answered by ankor@dixie-net.com)