Room 106 Grade 7 Blog!
Thursday, February 16, 2012
Solving Proportions
Janet earns $15.00 in 3 hours cleaning windows. How much should she earn in 15 hours?
$15.00/3 hours
(x3) (x3)
$75.00/9 hours
Janet would earn $75.00 cleaning windows in 15 hours.
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