Percentage problem

Simple patterns, variables, the order of operations, simplification, evaluation, linear equations and graphs, etc.
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Joined: Tue May 11, 2010 12:57 pm

Percentage problem

Postby O_andrea_O » Tue May 11, 2010 1:05 pm

How do i find the original price of an object that was sold for 2730 yielding a 30% profit on the cost??

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Joined: Sat Mar 07, 2009 10:00 pm

Re: Percentage problem

Postby maria1983 » Tue May 11, 2010 4:28 pm

you can pick a variable for the cost, say x
so .3x is the profit
now do an equation for the total price with the number they gave you & solve for the cost

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