Mathematics, 29.11.2021 01:00 natalie2sheffield
8. 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.
Answers: 3
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8. A runner ran two laps around a 400 m track. She completed the
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