Angelsweetlips98 Angelsweetlips98

25-08-2016
Mathematics

contestada

Emma can run 100 meters in 20 seconds.She competed in a 400 meter race. How many seconds did it take her to run that race?

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kapetro kapetro

25-08-2016

60 sec is the answer I did the math in my head it was easy

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kittynyaa kittynyaa

25-08-2016

it took her 80 seconds
100 meters=20
so for each 100 meters its 20
so 20×4=80 (why 4 ,because that's how many times she ran 100 meters)
the correct answer is 80 seconds, not 60.

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