What was the average speed in km/h of:

a boat that moves 15.0 km across a lake in 45 min? make sure that you

don’t forget to convert minutes into hours (1 hour= 60 minutes).

The average speed of the boat is 20 km/hr.

Step-by-step explanation:

Given : A boat that moves 15.0 km across a lake in 45 min.

To find : What was the average speed in km/h ?

Solution :

The distance a boat covered is 15 km.

The time taken by boat to cross a lake is 45 minutes.

Convert minute into hour,

1 hour = 60 minute

1 minute = hour

45 minute = hour

45 minute = 0.75 hour

The speed of the boat is given by,

The average speed of the boat is 20 km/hr.