Respuesta :

JEREMIAHLEEM00RE55

Answer:

She is running 5 yards a second Or 300 yards a minute

Explanation:

Divide 200 by 40 to get the rate of speed in seconds

AmandaR84

Answer:

≈ 10.23mph

Explanation:

1760yrds in 1 mile

200yrds to miles is:

200/1760 = .1136miles

3600sec in 1 hr

40sec to hours is:

40/3600 = .011111hrs

Now we find her speed in miles per hour:

.1136mi/.01111hrs ≈ 10.23mph

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