document.write( "Question 596842: How do I find c when only a and b are provided?\r
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\n" ); document.write( "\n" ); document.write( "28 is 40% of what number?\r
\n" ); document.write( "\n" ); document.write( "The answer is 70 but what is the rule for a problem like this?
\n" ); document.write( "Pleeease help!
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Algebra.Com's Answer #377933 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
28 is 40% of a number (x), so we have\r
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\n" ); document.write( "\n" ); document.write( "28 = .4x (when you see \"of\" you generally multiply).\r
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\n" ); document.write( "\n" ); document.write( "Dividing both sides by .4 we obtain x = 28/.4 = 70.
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