document.write( "Question 946489: If a collection of coins contains 15% pennies, 20% nickels, and 10% dimes, how many of each kind of coin does the collection have if it has a total of 200 coins? please help
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Algebra.Com's Answer #577535 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! If a collection of coins contains 15% pennies, 20% nickels, and 10% dimes, \n" ); document.write( " how many of each kind of coin does the collection have if it has a total of 200 coins? \n" ); document.write( ": \n" ); document.write( "All the coins have to be 100%, therefore \n" ); document.write( "100 - 15 - 20 - 10 = 55% must be quarters \n" ); document.write( ": \n" ); document.write( ".15(200) = 30 pennies \n" ); document.write( ".20(200) = 40 nickels \n" ); document.write( ".10(200) = 20 dimes \n" ); document.write( ".55(200) = 110 quarters \n" ); document.write( "------------------------ \n" ); document.write( "total coins: 200 \n" ); document.write( " |