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21-11-2020
Mathematics

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d) S.P. = Rs 400, loss = 20%, C.P. = Rs x, C.P = S.P. + 20% of C.P, Find C.P.

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umairkazi924 umairkazi924

22-11-2020

SP = 400

Loss = 20%

CP = x

CP = SP + 20%CP

Therefore,

x = 400 + 20/100x

x = 400 + 1/5x

x - 1/5x = 400

5/5x - 1/5x = 400

4/5x = 400

x = 400 × 5/4

x = 100 × 5

x = 500

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