Answer:
Rate: 56.25 mi/h
Distance traveled in 3 hours: 168.75 mi
Step-by-step explanation:
We know that 1 mile is equal to 1.6 kilometers, so, we can change the rate of 90 kilometers per hour to miles per hour as:
Now, we know that every hour the car travel 56.25 miles, so, the number of miles that the car travel after 3 hours is:
Therefore, the answers are:
Rate: 56.25 mi/h
Distance traveled in 3 hours: 168.75 mi