document.write( "Question 1138521: Ben was describing his coin collection to his friends. He said I have 1.45 pesos more in 5 centavos (nickels) than in 10 centavos (dimes). Ii I had two 5 centavos (nickels) less, I would have 5 times as many 5 centavo (nickels) as 10 centavos (dimes). How many coins of each kind does he have? \n" ); document.write( "
Algebra.Com's Answer #807968 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! n = number of nickels \n" ); document.write( "d = number of dimes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1.45/0.05 = 29 \n" ); document.write( "n = d/2 + 29\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n - 2 = 5d ---> n = 5d + 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set the equations equal to each other.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "d/2 + 29 = 5d + 2 \n" ); document.write( "27 = 9d/2 \n" ); document.write( "d = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Ben has 6 10-centavo coins and 32 5-centavo coins. \n" ); document.write( " |