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22-09-2017
Mathematics

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Caecillia can run 3 over 20 of a Marathon in 2 over 3 of an hour compute the unit rate

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23-09-2017

3/20 marathon in 2/3 hour

we want to find per 1 hour

(3/20marathon)/(2/3hour)
multiply it by (3/2)/(3/2)
(3/20marathon times (3/2)/(6/6hour)
(9/40marathon)/(1hour)
9/40marathon per hour

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