document.write( "Question 693088: Travis has a total of 20 coins consisting of nickels and quarters. The total value of the coins is $1.80. How many of each type of coin does he have? \n" ); document.write( "
Algebra.Com's Answer #427239 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Travis has a total of 20 coins consisting of nickels and quarters. The total value of the coins is $1.80. How many of each type of coin does he have? \n" ); document.write( "--------- \n" ); document.write( "Quantity Equatin: n + q = 20 coins \n" ); document.write( "Value Equation:: 5n +25q= 180 cents \n" ); document.write( "------------------------------------------ \n" ); document.write( "divide thru the bottom equation to get: \n" ); document.write( "n + q = 20 \n" ); document.write( "n +5q = 36 \n" ); document.write( "----------------- \n" ); document.write( "Subtract and solve for \"q\": \n" ); document.write( "4q = 16 \n" ); document.write( "q = 4 (# of quarters) \n" ); document.write( "-------- \n" ); document.write( "Solve for \"n\": \n" ); document.write( "n + q = 20 \n" ); document.write( "n + 4 = 20 \n" ); document.write( "n = 16 (# of nickels) \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " |