document.write( "Question 517697: A child's bank contains $6.30 in dimes and quarters. There are twice as many dimes as quarters. How many of each kind of coin are in the bank? \n" ); document.write( "
Algebra.Com's Answer #344885 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! d=2q \n" ); document.write( "10d+25q=630 \n" ); document.write( "10*2q+25q=630 \n" ); document.write( "20q+25q=630 \n" ); document.write( "45q=630 \n" ); document.write( "q=14 \n" ); document.write( "d=28 \n" ); document.write( "check \n" ); document.write( "14*25=250+100=350 \n" ); document.write( "10*28=280 \n" ); document.write( "350+280=630 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |