- A16 s
- B14.4 s
- C20 s
- D8 s
Step-by-Step Solution
Chitra: 144 s. Dimple ran 720 m in 144 s: 5 m/s, so she needs s. Margin s.
Answer: A) 16 s
Chitra beats Dimple by 80 m in an 800 m race, finishing in 2 min 24 s. By how many seconds does Chitra beat Dimple?
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