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10-12-2016
Mathematics

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Alexis washes 10 1/2 windows in 3/4 hour.at least rate how many windows can she wash in one hour

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charstar charstar

10-12-2016

10 1/2 : 3/4
Divide both sides by 3/4 so the hour side is 1:
(10 1/2)/(3/4) :1
(21/2)/(3/4) :1
21/2*4/3 :1
84/6 :1
14 :1
She can wash 14 windows in one hour.

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