mintyfox12373 mintyfox12373

02-10-2018
Mathematics

contestada

Toya can run one lap of the track on 1 minute 3 seconds, which is 90% of her younger sister niki’s time. What is niki’s time for one lap of the track?

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02-10-2018

63 seconds is 90% of Niki's time for one lap. So, Niki's time for one lap is 63/0.9, which equals 70 seconds or 1 min. 10 seconds.

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