Question

You are on a road trip to San Francisco. You drove 200 miles in 3 hours, and then stopped for lunch for

30 minutes. After lunch, you traveled 150 miles in an hour and a half. What was your average speed
for this trip? SHOW YOUR WORK!
a. Calculate the average speed including the time spent for lunch.
b. Calculate the average speed without the lunch stop

Answer 1

Step-by-step explanation:

a)

Average speed is total distance over change in time.

So

total distance=(200+150)

=350

total time=(3+0.5+1.5)

=5

350 km/5 hours

70km/hour

Therefore:

70 km/h is the average speed

b)

total distance=(200+150)

=350

total time=(3+1.5)

=4.5

350/4.5

=approx. 77.77 km/hour

Therefore:

77.77/hour is the average speed

Don't know if you round but uh yeah