document.write( "Question 1057626: If I have seven more quarters than nickels, and I have $4.75, how much of each coin do I have? \n" ); document.write( "
Algebra.Com's Answer #672652 by addingup(3677)![]() ![]() You can put this solution on YOUR website! q = n+7 (since you have 7 more quarters than nickels, to make them equal you need to add 7 to the nickels) \n" ); document.write( ": \n" ); document.write( "0.25q+0.05n = 4.75 substitute for q \n" ); document.write( "0.25(n+7)+0.05n = 4.75 \n" ); document.write( "0.25n+1.75+0.05n = 4.75 \n" ); document.write( "0.30n = 3 \n" ); document.write( "n = 10 \n" ); document.write( "and 10+7 = 17 quarters \n" ); document.write( "------------------------- \n" ); document.write( "Check: \n" ); document.write( "10*0.05+17*0.25 = 4.75 Correct \n" ); document.write( ": \n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " |