Question

A boat traveled 3 hours and covered 90 km. Later that day it was windy and boat slowed so it went another 60 km in 5 hours. Find the average speed of the boat.

Question 2 options:

A: 18.75 kilometer per hour


B: 22.75 kilometer per hour


C: 130 kilometer per hour


D: 17.33 kilometer per hour

Answer 1

Answer is A. 18.75 kilometers per hour

Step by step

D = RT

Distance is 90km + 60km = 150 km
Rate is kph
Time is 3hr + 5hr = 8hr

150 = 8R

Divide 150/8 = 18.75 km hr

Answer 2

Explanation:

b. 22.75 kilometers per hour