Mathematics, 18.10.2019 18:30 madmar
Jeff takes 20 mins to jog around the race course one time. and 25 mins to jog arpund second time. what is his average speed in kms per hr fpr the whole jog if the course is 3 kms long?
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Jeff takes 20 mins to jog around the race course one time. and 25 mins to jog arpund second time. wh...
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