document.write( "Question 170174: In 1992 the cost of stamps went up $.15 to $.18. What is the percent increase? \n" ); document.write( "
Algebra.Com's Answer #125615 by stanbon(75887)\"\" \"About 
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In 1992 the cost of stamps went up $.15 to $.18. What is the percent increase?
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\n" ); document.write( "Quantity Increase: 0.18 - 0.15 = 3 cents
\n" ); document.write( "Percent increase: 3/15 = 1/5 = 20%
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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