document.write( "Question 103709: Hello, \r
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document.write( "I need help using a system of equations to solve this problem:\r
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document.write( "Trinidad has $2.35 in nickels and dimes. If she has 33 coins in all, find the number of nickels and dimes.\r
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Algebra.Com's Answer #75426 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! let x=nickels y=dimes ... x+y=33 ... x=33-y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x+10y=235 ... 5(33-y)+10y=235 ... 165-5y+10y=235 ... 5y=70 ... y=14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=33-14 ... x=19 \n" ); document.write( " \n" ); document.write( " |