Answer :
To find out how long it takes for the car to travel 90 miles at an average speed of 45 miles per hour, you can follow the process below:
Step 1: Write down what you know.
You know that the average speed is 45 miles per hour and the distance to be covered is 90 miles.
Step 2: Use the formula for time when distance and speed are given.
The formula to find time when distance and speed are given is:
Time = Distance / Speed
Step 3: Plug in the given values to the formula.
Time = 90 miles / 45 miles per hour
Step 4: Calculate the time.
When you divide 90 by 45, you get:
Time = 2 hours
So, the car takes 2 hours to travel 90 miles at an average speed of 45 miles per hour.
The correct answer is ○ B. 2 hours.
