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Mathematics
4 February, 01:42
Find the unit rate. 21 3/4 meters in 2 1/2 hours
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Alexis Todd
4 February, 01:58
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(21 3/4) / (2 1/2) =
(87/4) / (5/2) =
87/4 * 2/5 =
174/20 reduces to 8 7/10 (or 8.7) meters per hr
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