A dress was sold for ₹ 2240, after allowing discount at 20%. Find the marked price and amount of discount allowed. pls solve this using formula not unitary method.
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Answer:
CP = 2800 rupees
Discount = SP - CP = 2800 - 2240 = 560
Step-by-step explanation:
SP = CP - Discount
SP = (CP - 20% of CP)
SP = CP (1 - 0.20)
SP = CP * 0.80
CP = SP / 0.80 = 2240 / 0.80 = 2800 rupees
Discount = SP - CP = 2800 - 2240 = 560
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