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Diana and Mary took part in a race. Both girls started running at the same time. After 25 min, Diana had completed the race but Mary had another 250 m to run. Diana ran at an average speed of 90 m/min. What was Mary's average speed for the first 25 min?​

User Foxybagga
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1 Answer

4 votes

Answer:

2,000

Explanation:

90×25

=2,250

2,250-250

=2,000

User AlexBrand
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