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 June 5th, 2014, 02:46 PM #1 Newbie   Joined: Jun 2014 From: New Brunswick Posts: 1 Thanks: 0 Uncle Ritchie Uncle Ritchie has some 10 dollar bills in his wallet. He shares all of them equally among his four nieces and nephews. Each of the nieces then donates two 10 dollar bills to charity. They each have 5 \$10 dollar bills. How many 10 dollar bills did Uncle Ritchie have in his wallet? a) Write an equation you can use to solve the problem. b) Solve the equation. Can someone please help me with this question?? ASAP PLEASE!! Last edited by greg1313; June 5th, 2014 at 02:58 PM.
 June 5th, 2014, 03:17 PM #2 Global Moderator     Joined: Nov 2006 From: UTC -5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms I can see a number of different pieces to this question. You ne4ed to choose a variable -- OK, the variable can just be x if you like, but I mean what should it stand for. You need to decide how this x is related to other things. You need to turn this understanding into an equation. Then you need to solve the equation so you have the value of x. I'm willing to help you with one of these, but you'll need to show some effort on the others. Thanks from nmenumber1
 June 5th, 2014, 03:20 PM #3 Member   Joined: Feb 2012 From: Hastings, England Posts: 83 Thanks: 14 Math Focus: Problem Solving hey, have to say the question is not very clear and I don't want to just do your homework for you, but are there 4 nieces and 4nephews? If we assume that the number of bills he has is n, and he divides this by the number of children then you have a starting expression for each niece and nephew, hope you can figure that bit out. Then just think what happens to this, as the each give 2 away and are left with 5. then work backwards. give it a try and tell me what you get then more than happy to help some more
 June 5th, 2014, 03:20 PM #4 Member   Joined: Feb 2012 From: Hastings, England Posts: 83 Thanks: 14 Math Focus: Problem Solving haha im obviously too slow exactly what he said above
 June 5th, 2014, 07:03 PM #5 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 5(number of nieces + number of nephews) + 2(number of nieces) ...play with that...

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