Question

Joe runs 8.75 times around a track in 1,125.803 seconds. If one lap around the track is 420.3 meters, which is the best estimate of the runner's average speed in meters per second (m/s)?


30 m/s


3 m/s


0.4 m/s


0.3 m/s

Answer 1

@ShadowLegendX

Answer 2

Multiply by 1 (one)!

\(\dfrac{8.75\;lap}{1125.803\;sec}\cdot\dfrac{420.3\;m}{1\;lap}\)

I think it's done. Estimate away!

Answer 3

haha i dont know

Answer 4

i started with the left side then multiplied that times 420.3 and got 3.127125527

Answer 5

?

Answer 6

This is supposed to be an estimation problem. No fair calculating the exact value.

Answer 7

im done with this