
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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September 14th, 2018, 06:00 AM  #1 
Newbie Joined: Sep 2018 From: korea Posts: 18 Thanks: 1  Total money Ann had at first?
Raju and Ann had 450 dollars at first. Raju bought some books and had 3/5 of his money left. Ann bought some puzzles and was left with 2/5 of her money. Raju and Ann spent an equal amount of money. How much did Ann have at first? My work: Number of money Raju had = R Number of money Ann had = A We know that Raju and Ann had 450 dollars at first. So R + A = 450 But then I got confused. I would expect... (3/5)R = (2/5)A would work, but I didn't get anywhere. 
September 14th, 2018, 06:33 AM  #2  
Math Team Joined: Jul 2011 From: Texas Posts: 2,767 Thanks: 1422  Quote:
note that Ann spent 3/5 of her money Raju's money = 450A note that Raju spent 2/5 of his money $\displaystyle \frac{2}{5} \cdot (450A) = \frac{3}{5} \cdot A$ solve for A  
September 14th, 2018, 01:51 PM  #3 
Newbie Joined: Sep 2018 From: korea Posts: 18 Thanks: 1  

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