document.write( "Question 941084: have 12 coins in my pocket. all of them are either 10c coins or 50c coins. they are worth 2.40. how many 10c coins do i have and how many 50c coins do i have? \n" ); document.write( "
Algebra.Com's Answer #573638 by ewatrrr(24785)\"\" \"About 
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x the number of 50¢ coins. Then...\"12-x\" the number of 10¢ coins
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\n" ); document.write( "50x + 10(12-x) = 240¢ (CENTS makes Sense)
\n" ); document.write( "x = 120/40 = 3, the number of 50¢ coins. And 9 10¢ coins. \"12-3\"
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\n" ); document.write( "And...checking
\n" ); document.write( "150 + 90 = 240¢ 0r $2.40
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