document.write( "Question 178041: Conrad has a collection of three types of coins: nickels, dimes and quarters. There are five more nickels than quarters but four times as many dimes as quarters. If the entire collection is worth $5.85, how many nickels, dimes, and quarters are there? \n" ); document.write( "
Algebra.Com's Answer #133105 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Conrad has a collection of three types of coins: nickels, dimes and quarters.
\n" ); document.write( " There are five more nickels than quarters but four times as many dimes as
\n" ); document.write( " quarters. If the entire collection is worth $5.85, how many nickels, dimes,
\n" ); document.write( " and quarters are there?
\n" ); document.write( ":
\n" ); document.write( "let n, d, and q = no. of each coin
\n" ); document.write( ":
\n" ); document.write( "Write an equation for each statement:
\n" ); document.write( ":\"
\n" ); document.write( "\" There are five more nickels than quarters\"
\n" ); document.write( "n = (q+5)
\n" ); document.write( ":
\n" ); document.write( "\" but four times as many dimes as quarters.\"
\n" ); document.write( "d = 4q
\n" ); document.write( ":
\n" ); document.write( "\" If the entire collection is worth $5.85, \"
\n" ); document.write( ".05n + .10d + .25q = 5.85
\n" ); document.write( ":
\n" ); document.write( "how many nickels, dimes, and quarters are there?
\n" ); document.write( ":
\n" ); document.write( "Using the first two equations, substitute for n and d in the total$ equation:
\n" ); document.write( ".05(q+5) + .10(4q) + .25q = 5.85
\n" ); document.write( ":
\n" ); document.write( ".05q + .25 + .4q + .25q = 5.85
\n" ); document.write( ":
\n" ); document.write( ".05q + .4q + .25q = 5.85 - .25
\n" ); document.write( ":
\n" ); document.write( ".7q = 5.60
\n" ); document.write( "q = \"5.6%2F.7\"
\n" ); document.write( "q = 8 quarters
\n" ); document.write( ":
\n" ); document.write( "I'll let you find the number of nickels and dimes
\n" ); document.write( "Check your solutions in the total$ equation
\n" ); document.write( "
\n" );