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TOPIC: percent proportions
Anonymous
Date:
Apr 14, 2006
percent proportions
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____ of ____ is equal to ___ of ____. any quick way to do this or i have to setup and cross multiply in my head? (kinda hard to keep track of numbers)
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vvr1590
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Status: Offline
Posts: 61
Date:
Apr 16, 2006
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think of the equation, say
65% of 52 is 13% of ________
.65*52 = .13x
what would you do in a normal situation?
divide by .13
so do that
and one of the numbers will cancel.
65/13 = 5
therefore it's 5 * 52 or 260.
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Vinay Ramasesh
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