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20-12-2016
Mathematics

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an ostrich can run at a rate of 50 miles in 60 minutes at this rate how long would it take an ostrich to run 15 miles

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kaitlynnhaynes kaitlynnhaynes

20-12-2016

This is direct proportion - it takes less time to run 15 miles than 50 miles. Show the comparison:

5060=15x

50x=60×15

x=60×1550

x=18minutes

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