Megan drove from her house to work at an average speed of 45 miles per hour. the drive took her 20 minutes. if the drive home took her 30 minutes and she used the same route in reverse, what was her average speed going home? question 10 options: 30 miles per hour 13.33 miles per hour 26.6 miles per hour 3 miles per hour

30 mph

Step-by-step explanation:

The average speed = Total distance / Total Time

Distance at 45 m/hr.

t = 20 minutes = 20/60 = 1/3 hour.

r = rate = 45 miles / hour

d = r * t

d = 45 * 1/3 = 15 miles.

Average Speed going home.

t =  30 minutes

t = 30 min / 60 min // hour = 1/2 hours

r = 15 miles / 1/2 = 15 * 2 =  30 miles / hr.

answer: 2530

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