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Jenna rides her scooter at a constant speed for 6 km. That part of her ride takes her 1 h. She then rides her scooter at a constant speed for another 9 km. That part of her trip takes her 2 h. What is
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Jenna rides her scooter at a constant speed for 6 km. That part of her ride takes her 1 h. She then

rides her scooter at a constant speed for another 9 km. That part of her trip takes her 2 h. What is
her average speed?

User Madsobel
by
5.0k points

1 Answer

6 votes

Answer:

5km/h

Step-by-step explanation:

The equation for average speed is

Vavg = Δd/Δt

where Δd is distance and Δt is time

from what's given, we know she travelled 15km in total and the trip took 3 hours in total. We can now plug in the values into the equation

Vavg = 15/3

Vavg = 5km/h

User Kostas Andrianos
by
5.2k points
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