Question

A boat moves 15.6 km across a lake in 30.0 min. What was the average speed of the boat in kilometers per hour?

Answer 1

The average speed of the boat was `31.2(km)/h`

Explanation:

Speed of the boat is determined using the formula `d=rt`
which equates the distance traveled to the rate (speed) multiplied by the time.

`d=15.6km`
`t=30.0m=0.5h`

`d=rt`
`(15.6) = r(0.5)`

`(15.6)/(0.5)=r`

`r= 31.2=31.2(km)/h`