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January 31, 2015

January 31, 2015

Posted by **Putri** on Friday, January 22, 2010 at 4:44am.

Lili gave 1/4 of her money to Simon. Then Simon gave 1/5 of whatever money he had then to Lili. Later Lili decided to give 1/3 of whatever money she had then to Simon. Finally, Lili had $688 and Simon had $872. How much did Simon have at first?

- Maths -
**bobpursley**, Friday, January 22, 2010 at 8:28amS1=1/4 L+So

L1=1/5 S1+3/4 Lo

2/3 L1=688

S1+1/3 L1=872

so solve these two for S1, L1 then to to the original equations and solve for So and Lo

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