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20-10-2016
Mathematics

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while swimming a 2 km race, Adam Changes from breathstroke to butterfly every 200 m. How many times does he switch trokes during the first half of the race

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Аноним Аноним

20-10-2016

5 times Breathstroke, butterfly,breathstroke,butterfly, breathstroke and so one 1/2 of 2 km is 1000 meters 200 x 5=1000 meters

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