a mobile phone is sold for rs 3120 at a loss of 4 per. what will be the the gain or loss per. if it is sold for rs 3640
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C.P = 100/100-4 × S.P.
C.P. = 100/96 × 3120
C.P. = ₹3250
it's Gain because S.P > C.P
P = S.P - C.P
P = 3640 - 3250
P = ₹390
Gain % = 390/3250 × 100
Gain % = 12%
Mark brainliest if it helps, thanks
C.P. = 100/96 × 3120
C.P. = ₹3250
it's Gain because S.P > C.P
P = S.P - C.P
P = 3640 - 3250
P = ₹390
Gain % = 390/3250 × 100
Gain % = 12%
Mark brainliest if it helps, thanks
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