document.write( "Question 519892: A chills bank contains 70 coins( dimes and nickels that value $5.55) how many of each coin \n" ); document.write( "
Algebra.Com's Answer #345833 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A chills bank contains 70 coins( dimes and nickels that value $5.55) how many of each coin \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "Quantity: n + d = 70 \n" ); document.write( "Value::: 5n+10d = 555 cents \n" ); document.write( "------------------------------- \n" ); document.write( "Divide thru the Value equation by 5: \n" ); document.write( "n + d = 70 \n" ); document.write( "n + 2d = 111 \n" ); document.write( "---- \n" ); document.write( "Subtract and solve for \"d\": \n" ); document.write( "d = 41 (# of dimes) \n" ); document.write( "---- \n" ); document.write( "Solve for \"n\": \n" ); document.write( "n + d = 70 \n" ); document.write( "n + 41 = 70 \n" ); document.write( "n = 29 (# of nickels) \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " |