document.write( "Question 366373: Luis and Julia have the same number of coins. Luis has only dimes and Julia has only quaters. If Julia has $1.80 more than Luis does, how many coins do each have ? \n" ); document.write( "

Algebra.Com's Answer #261061 by josmiceli(19441) $\"\"$ $\"About$

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$\"q+=+d\"$
\n" ); document.write( " $\"25q+-+10d+=+180\"$ (in cents)
\n" ); document.write( "By substitution:
\n" ); document.write( " $\"25q+-+10q+=+180\"$
\n" ); document.write( " $\"15q+=+180\"$
\n" ); document.write( " $\"q+=+12\"$
\n" ); document.write( " $\"d+=+12\"$
\n" ); document.write( "Each has 12 coins \n" ); document.write( "

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