document.write( "Question 728459: cody's bank contains $4.30 in nickels, dimes and quarters there are 38 coins in all, with 6 more nickels than quarters how many dimes are there \n" ); document.write( "
Algebra.Com's Answer #445429 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! cody's bank contains $4.30 in nickels, dimes and quarters there are 38 coins in all, with 6 more nickels than quarters how many dimes are there \n" ); document.write( "Quantity Eq: n + d + q = 38 coins \n" ); document.write( "Quantity Eq: n = q + 6 \n" ); document.write( "Value Eq::: 5n +10e+25q = 430 cents \n" ); document.write( "------------------------------------------ \n" ); document.write( "Rearrange \n" ); document.write( "d + q + q+6 = 38 \n" ); document.write( "5(q+6)+10d + 25q = 430 \n" ); document.write( "------ \n" ); document.write( "Simplify: \n" ); document.write( "d + 2q = 32 \n" ); document.write( "10d+30q = 400 \n" ); document.write( "----- \n" ); document.write( "Modify for Elimination: \n" ); document.write( "d + 2q = 32 \n" ); document.write( "d + 3q = 40 \n" ); document.write( "--- \n" ); document.write( "Subtract to solve for \"q\"; \n" ); document.write( "q = 8 (# of quarters) \n" ); document.write( "--- \n" ); document.write( "Solve for \"d\": \n" ); document.write( "d + 2q = 32 \n" ); document.write( "d + 16 = 32 \n" ); document.write( "d = 16 (# of dimes) \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |