Question

Guvinda ran 400 m in 77.6 seconds which was an improvement of 3%. Find her original time. ​

Answer 1

Answer:

Let the original time percent of guvinda be 100% and her improved time percent be 103%; then

103% = 77.6 seconds

1% = 77.6 / 103 = 0.753 seconds

100% = 0.753 × 100 = 75.3 seconds

Step-by-step explanation:

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