91.2k views
2 votes
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?

User Sanmi
by
7.9k points

2 Answers

3 votes
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.
User Hallaghan
by
7.1k points
5 votes
60 sec is the answer I did the math in my head it was easy
User Fynnlyte
by
7.4k points