Question

A car covers 635km by going for 4 hours at a certain speed,then for 3 hours at 4km/h faster,and then for 2 hours at 5 km/h slower.find the first speed.

Answer 1

First speed is 158.75 km/hr

Step-by-step explanation:

• Step 1: Given the car travels 635 km in 4 hours. Find speed of the car.

Use formula for Speed = Distance/Time

⇒ Speed = 635/4 = 158.75 km/hr