document.write( "Question 302052: I need help with this impossible problem\r
\n" );
document.write( "\n" );
document.write( "Jake has 6 coins.
\n" );
document.write( "Ellie has 12 coins.
\n" );
document.write( "There is a total of 5 quarters.
\n" );
document.write( "Jake has more than $1
\n" );
document.write( "Jake's coins are worth three times as much as Ellie's coins.\r
\n" );
document.write( "\n" );
document.write( "How much money does Jake have?
\n" );
document.write( "How much money does Ellie have?\r
\n" );
document.write( "\n" );
document.write( "My niece's teacher apparently wants us to show our work (my niece is in the 2nd grade and she somehow has this problem for a test. she's failing most of her tests and I want to find out why.) There is supposed to be a non-algebraic way to solve this problem since she is only in the 2nd grade. I hope you can reply soon. \n" );
document.write( "
Algebra.Com's Answer #216594 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! 2nd grade? I was taking remedial sandbox and advanced crayons. \n" ); document.write( "This is a problem where she has to come to some logical \n" ); document.write( "conclusions and put them together to get what they're \n" ); document.write( "looking for \n" ); document.write( "They don't say anything about it, but any number of pennies, nickels, \n" ); document.write( "and dimes may be used \n" ); document.write( "I focused on \"Jake has more than $1\" \n" ); document.write( "(case #1) Jake could have 3 quarters and 3 dimes, giving him $1.05 \n" ); document.write( "(case #2) or, he could have 4 quarters, and it doesn't matter what the other 2 coins are \n" ); document.write( "(case #3) 0r, he could have 5 quarters, and it doesn't matter what the other coin is \n" ); document.write( "Now I look at \"Jake's coins are worth 3 times Ellie's coins\" \n" ); document.write( "So, Jakes coins must be evenly divisible by 3 \n" ); document.write( "for case #1: 1.05/3 = .35 \n" ); document.write( "So, if Ellie has 12 coins, and I know 2 of them are quarters, she's already got \n" ); document.write( "$.50, so case #1 doesn't work \n" ); document.write( "for case #2: Jake could have: \n" ); document.write( "$1.20 (4 quarters and 2 dimes) \n" ); document.write( "$1.10 (4 quarters and 2 nickels) \n" ); document.write( "$1.15 (4 quarters , a nickel and a dime) \n" ); document.write( "$1.11 (4 quarters, a dime and a penny) \n" ); document.write( "$1.06 (4 quarters, a nickel, and a penny) \n" ); document.write( "$1.02 (4 quarters and 2 pennies) \n" ); document.write( "The right one has to be evenly divisible by 3 \n" ); document.write( "$1.20/3 = .40 \n" ); document.write( "$1.11/3 = .37 \n" ); document.write( "$1.02/3 = .34 \n" ); document.write( "Now Ellie has 1 quarter, so her 11 remaining coins must add up to \n" ); document.write( ".40 - .25 = .15 \n" ); document.write( "or \n" ); document.write( ".37 - .25 = .12 \n" ); document.write( "or \n" ); document.write( ".34 - .25 = .09 \n" ); document.write( "There's no way to get the last 2 with 11 coins, but \n" ); document.write( ".15 = 10 pennies and a nickel \n" ); document.write( "So, she ends up with 1 quarter, 10 pennies, and 1 nickel \n" ); document.write( "when Jake has 4 quarters and 2 dimes \n" ); document.write( "Now I just have to deal with case #3 \n" ); document.write( "Jake has either: \n" ); document.write( "5 quarters and a dime = $1.35 \n" ); document.write( "5 quarters and a nickel = $1.30 \n" ); document.write( "5 quarters and a penny = $1.26 \n" ); document.write( "$1.35/3 = .45 \n" ); document.write( "$1.26/3 = .42 \n" ); document.write( "Nellie has 12 coins to make $.45 \n" ); document.write( "That would be 5 pennies, 6 nickels, and 1 dime \n" ); document.write( "I can't seem to make $.42 with 12 coin, but no quarters \n" ); document.write( "So, what I finally come up with is: \n" ); document.write( "-------------------------------- \n" ); document.write( "When Jake has 4 quarters and 2 dimes, \n" ); document.write( "Nellie has 1 quarter 1 nickel, 10 pennies \n" ); document.write( "--------------------------------- \n" ); document.write( "When Jake has 5 quarters and 1 dime, \n" ); document.write( "Nellie has 1 dime, 6 nickels, and 5 pennies \n" ); document.write( "--------------------------------- \n" ); document.write( "Whew! What grade is she in? \n" ); document.write( "This was hard for me. I'm still not sure I've \n" ); document.write( "got all the answers and I've got 2 years of college \n" ); document.write( " |