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Suppose we assume the whole amount of bill as 1 and the amount paid equally among c d and e as 'x'.
therefore,
1/2 + 1/5 + x + x + x = 1
7 / 10 + 3x = 1
3x = 3/10
x = 1/ 10
therefore 1/10th amount of the bill was equally paid among C , D & E.
therefore,
1/2 + 1/5 + x + x + x = 1
7 / 10 + 3x = 1
3x = 3/10
x = 1/ 10
therefore 1/10th amount of the bill was equally paid among C , D & E.
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