Percentage problem  TOPIC_SOLVED

Simple patterns, variables, the order of operations, simplification, evaluation, linear equations and graphs, etc.

Percentage problem

Postby O_andrea_O on 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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Re: Percentage problem  TOPIC_SOLVED

Postby maria1983 on 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
http://www.purplemath.com/modules/percntof.htm
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