a sprinter runs 400 meters in 54 seconds. What is the runner's average running rate in meter's per second?

asked Feb 20, 2018 220k views

2 votes

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2 votes

you make a proportion. 400/54=x/1
multiply across:
400x=54
Divide by 400:
x=54/400
Answer= 0.135 seconds per meter

Pooja Shah answered Feb 22, 2018

7.9k points

3 votes

7.407407407407407... (it repeats the 407)
U just had to divide 400 by 54

Tudvari answered Feb 25, 2018

8.9k points

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