joscelinflores joscelinflores

18-05-2017
Mathematics

contestada

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

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Аноним Аноним

18-05-2017

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

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sammytime2 sammytime2

18-05-2017

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

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