document.write( "Question 1189253: Of all the coins in Kelly’s piggy bank, 30% are pennies. 15% are nickels, 25% are dimes, and the rest are quarters. If the total value of all the quarters is $60, what is the total value of all the coins in Kelly’s piggy bank? \n" ); document.write( "
Algebra.Com's Answer #820566 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The solution from the other tutor contains errors, which I know she will fix.... \n" ); document.write( "The value of the quarters is $60; at 4 quarters per dollar, the number of quarters is 60*4 = 240. \n" ); document.write( "The percentage of coins that are quarters is 100%-30%-15%-25% = 30%. \n" ); document.write( "That tells us that the number of pennies is the same as the number of quarters (30% of the total), and the number of nickels is half of that (15% of the total). So there are 240 pennies and 120 nickels. \n" ); document.write( "There are many ways to find the number of dimes; I personally would see that 25% is 5/6 of 30%, so the number of dimes is 5/6 of 240, which is 200. \n" ); document.write( "So there are \n" ); document.write( "240 pennies \n" ); document.write( "120 nickels \n" ); document.write( "200 dimes \n" ); document.write( "240 quarters \n" ); document.write( "for a total value of $2.40+$6.00+$20.00+$60.00 = $88.40 \n" ); document.write( " \n" ); document.write( " |