Mathematics, 09.11.2021 22:20 xojade
A runner ran two laps around a 400 m track. She completed the
first lap in 50 seconds and then decreased her speed by 5% for the
second lap. Find:
(a) her speed on the first lap
(b) her speed on the second lap
(c) her total time for the two laps
(d) her average speed for the two laps.
Help Please!!
Answers: 3
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A runner ran two laps around a 400 m track. She completed the
first lap in 50 seconds and then dec...
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