document.write( "Question 1178335: ​Gaby's piggy bank contains dimes and quarters worth $8.45. If she has 59 coins in​ all, how many of each does she​ have? \n" ); document.write( "
Algebra.Com's Answer #807542 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "let quarters be \"q\" and dimes \"d\"\r
\n" ); document.write( "\n" ); document.write( "if she has \"59\" coins in​ all, then\r
\n" ); document.write( "\n" ); document.write( "\"q%2Bd=59\"....solve for \"q\"\r
\n" ); document.write( "\n" ); document.write( "\"q=59-d\"\r
\n" ); document.write( "\n" ); document.write( "if she has total of $\"8.45\", then\r
\n" ); document.write( "\n" ); document.write( "\"0.25q%2B0.10d=8.45\"........substitute \"q\"\r
\n" ); document.write( "\n" ); document.write( "\"0.25%2859-d%29%2B0.10d=8.45\"\r
\n" ); document.write( "\n" ); document.write( "\"14.75-0.25d%2B0.10d=8.45\"\r
\n" ); document.write( "\n" ); document.write( "\"14.75-0.15d=8.45\"\r
\n" ); document.write( "\n" ); document.write( "\"14.75-8.45=0.15d\"\r
\n" ); document.write( "\n" ); document.write( "\"6.30=0.15d\"\r
\n" ); document.write( "\n" ); document.write( "\"d=6.30%2F0.15\"\r
\n" ); document.write( "\n" ); document.write( "\"d=630%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"d=42\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"q=59-d\"...substitute \"d\"\r
\n" ); document.write( "\n" ); document.write( "\"q=59-42\"\r
\n" ); document.write( "\n" ); document.write( "\"q=17\"\r
\n" ); document.write( "\n" ); document.write( "Gaby​ have \"17\" quarters and \"42\" dimes\r
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