document.write( "Question 190990This question is from textbook Algebra 1
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document.write( ": A jar of dimes and quarters contains $15.25. There are 103 coins in all. How many of each are there? \n" );
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Algebra.Com's Answer #143399 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! let d and q be th amount of dimes and quarters \n" ); document.write( ": \n" ); document.write( "d+q=103..........eq 1 \n" ); document.write( ".1d+.25q=15.25...eq 2 \n" ); document.write( ": \n" ); document.write( "rewrite eq 1 to d=103-q and plug it into eq 2 \n" ); document.write( ": \n" ); document.write( ".1(103-q)+.25q=15.25 \n" ); document.write( ": \n" ); document.write( "10.3-.1q+.25q=4.90: \n" ); document.write( ".15q=4.95 \n" ); document.write( ": \n" ); document.write( "q=33 \n" ); document.write( ": \n" ); document.write( "d=103-33=70 \n" ); document.write( " |