document.write( "Question 1084410: Ann has $3.25 worth of change in nickels and dimes. If she has 3
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document.write( " times as many nickels as dimes, how many of each type of coin does she have? \n" );
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Algebra.Com's Answer #698511 by addingup(3677) You can put this solution on YOUR website! n = 3d \n" ); document.write( "0.05n+0.10d = 3.25 \n" ); document.write( "0.05(3d)+0.10d = 3.25 \n" ); document.write( "0.15d+0.10d = 3.25 \n" ); document.write( "0.25d = 3.25 \n" ); document.write( "d = 3.25/0.25 = 13 \n" ); document.write( "So she has 13 dimes. And n = 3d = 3(13) = 39 \n" ); document.write( "------------------------------------ \n" ); document.write( "Check: \n" ); document.write( "0.10*13 = 1.30 \n" ); document.write( "0.05*39 = 1.95 \n" ); document.write( ". . . . ______ \n" ); document.write( "Total . . 3.25 Correct \n" ); document.write( " \n" ); document.write( " |