Question

15. A motorboat covers 15

km in 20 minutes. Find the speed of motorboat in km/hr.​

Answer 1

Given:

Distance = 15 km

Time taken = 20 mins

To Find:

The speed of the motorboat in km/h

Explanation:

First, we need to change the units of measurement to that of which is required.

Then we apply the formula to find the speed:

Speed = Distance ÷ Time

Solution

Change the time taken from min to hour:

Time taken = 20 mins

Time taken = 20 ÷ 60 hour = 1/3 hour

Find the speed:

Speed = Distance ÷ Time

Speed = 15 ÷ 1/3

Speed = 45 km/h

Answer: Speed = 45 km/h

Answer 2

Answer:

Answer us 45Km/h Average Speed