Maths-

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Easy

Question

Ms. Simon drives her car from her home to her workplace every workday morning. The table above shows the distance, in miles, and her average driving speed, in miles per hour (mph), when there is no traffic delay, for each segment of her drive.

One morning, Ms. Simon drove directly from her home to her workplace in 24 minutes. What was her average speed, in miles per hour, during her drive that morning?

## The correct answer is: 44

### The total distance from Ms. Simon’s home to her workplace is

= home to freeway entrance + freeway entrance to freeway exit + freeway exit to workplace

= 0.6 + 15.4 + 1.

= 17.4 miles.

Ms. Simon took 24 minutes to drive this distance.

Since there are 60 minutes in one hour, her average speed, in miles per hour, for this trip is

= (Distance/ time in minutes)(60)

= ()(60)

=

= 43.5miles per hour

Based on the directions, or 43.5 can be considered as the correct answer.

Therefore the correct answer for her average speed is 43.5 or 44 miles per hour.

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