Jack and Jill ran a 400 meter race. Jill ran the race in in 50 seconds and won by 10 meters; that is Jack had run only 390 meters when Jill crossed the finish line. They decide to race again, but this time Jill starts 10 meters behind the starting line. Assuming that both runners run at the same pace as before, who will win the second race and by how many seconds?

Question

07-12-2017
Mathematics

contestada

Jack and Jill ran a 400 meter race. Jill ran the race in in 50 seconds and won by 10 meters; that is Jack had run only 390 meters when Jill crossed the finish line. They decide to race again, but this time Jill starts 10 meters behind the starting line. Assuming that both runners run at the same pace as before, who will win the second race and by how many seconds?

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danieldoescoolowaeny danieldoescoolowaeny · Answer 1 · 2017-12-12T11:11:58+01:00

danieldoescoolowaeny danieldoescoolowaeny

12-12-2017

Assuming you can run 400 meters in 50 seconds, and assuming that YOU'RE NOT ASSUMING THAT A GUY CAN'T RUN AS FAST AS A GIRL, YOU SEXIST, the answer would be that they would finish off the same time (50 seconds) since Jack was 10 meters behind last time but now he gets a head start with 10 meters.

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