document.write( "Question 590627: I also don't get how to solve this problem. It would be appreciated if you can show the steps for the answer. THANKS!\r
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document.write( "Chris has a jar with dimes and quarters in it. The jar has 7 more quarters in it than it has dimes. If the total value of the coin is $5.60, how many quarters are in the jar? \n" );
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Algebra.Com's Answer #375240 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Chris has a jar with dimes and quarters in it. \n" ); document.write( " The jar has 7 more quarters in it than it has dimes. \n" ); document.write( " If the total value of the coin is $5.60, how many quarters are in the jar? \n" ); document.write( ": \n" ); document.write( "Let d = no. of dimes \n" ); document.write( "Let q = no. of quarters \n" ); document.write( ": \n" ); document.write( "Write an equation representing what each statement says: \n" ); document.write( ": \n" ); document.write( "\"The jar has 7 more quarters in it than it has dimes.\" \n" ); document.write( "q = d + 7 \n" ); document.write( ": \n" ); document.write( "\"If the total value of the coin is $5.60,\" \n" ); document.write( ".10d + .25q = 5.60 \n" ); document.write( ": \n" ); document.write( "from the 1st equation; replace q with (d+7) in the above equation \n" ); document.write( ".10d + .25(d+7) = 5.60 \n" ); document.write( ".10d + .25d + 1.75 = 5.60 \n" ); document.write( ".35d = 5.60 - 1.75 \n" ); document.write( ".35d = 3.85 \n" ); document.write( "d = \n" ); document.write( "d = 11 dimes \n" ); document.write( ": \n" ); document.write( "\"how many quarters are in the jar? \n" ); document.write( ": \n" ); document.write( "Now you can find the number of quarters using the 1st equation \n" ); document.write( "Check you solution in the 2nd equation\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " how many quarters are in the jar? \n" ); document.write( " |