The price of 9books and 12 copies is 2100 so whats is the price of 15 books and 20 copies
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2
Answer:
3600 rupees please mark as brainliest please
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4
Answer:
According to question,
SP of 12 = Rs. 1800
SP = CP + Prfit
12 CP + 3 CP = Rs. 1800 [as gain is 3 CP]
15CP = 1800
CP =180015180015⇒⇒= Rs. 120
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