document.write( "Question 910872: Mike has dimes and quarters. He has 18 coins. Mike has a total of $4.20. How many of each does he have? \n" ); document.write( "
Algebra.Com's Answer #552746 by ewatrrr(24785)\"\" \"About 
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x the number of Quarters
\n" ); document.write( "CENTS makes sense
\n" ); document.write( "25x+ 10(18-x) = 420
\n" ); document.write( "x = 240/15
\n" ); document.write( "x = 16, number of Quarters. 2 Dimes \"18-16\"
\n" ); document.write( "And...checking
\n" ); document.write( "25*16 + 2*10 = 400 + 20 = 420
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