A, B and C have ti distribute rs. 1000 bietween them. A and C together have rs. 400 and B and C rs. 700. How much does C have?
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A+B+C=1000
A+C=400
Substact equation 2 from 1 we get B=600
B+C=700
Substact B from above we get C=100
A+C=400
Substact equation 2 from 1 we get B=600
B+C=700
Substact B from above we get C=100
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