document.write( "Question 476025: Joe has a collection of nickels and quarters that is worth $7.40. If the number of nickels were doubled and the number of quarters were increased by 8, the value of the coins would be $10.80. How many quarters does he have? \n" ); document.write( "
Algebra.Com's Answer #326442 by jorel1380(3719)\"\" \"About 
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5p+25q=740
\n" ); document.write( "5p(2)+25(q+8)=1080
\n" ); document.write( "10p+25q+200=1080
\n" ); document.write( "10p+50q=1480
\n" ); document.write( "10p+25q=880
\n" ); document.write( "25q=600
\n" ); document.write( "q=24
\n" ); document.write( "p=28
\n" ); document.write( "Joe has 24 quarters..
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