document.write( "Question 988908: Michael has $2.08, consisting of pennies, nickels, and dimes. If he has one-half as many dimes as nickels and three times as many pennies as nickels, how many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #807950 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! p = number of pennies \n" ); document.write( "n = number of nickels \n" ); document.write( "d = number of dimes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "p + 5n + 10d = 208 \n" ); document.write( "d = n/2 \n" ); document.write( "p = 3n\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write everything in terms of n.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3n + 5n + 10(n/2) = 208 \n" ); document.write( "13n = 208 \n" ); document.write( "n = 16\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Michael has 48 pennies, 16 nickels, and 8 dimes. \n" ); document.write( " |