Question

a cyclist rides her bike at a speed of 8 meters per second. what is the speed in kilometers per hour? how many kilometers will the cyclist travel in 3 hours

Answer 1

Answer:

Part 1) The rate is 43.2\frac{km}{h}

Part 2) 129.6\ km

Step-by-step explanation:

Part 1)

we know that

A cyclist rides her bike at a rate of 12 meters per second

Remember that

1 hour=3,600 seconds

1 kilometer=1,000 meters

therefore

Part 2) How many kilometers will the cyclist travel in 3 hours?

using proportion