15.60₹ and 7.80 ₹ ratio
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Step-by-step explanation:
Let Original price per Egg was X.
Increased Price = X + 30% of X = 1.3X
Now,
(7.80/X ) - (7.80 /1.3X) = 3
On solving, we get,
X = 0.6
Price per egg was Rs. 0.6 .
Present price = 1.3X = 1.3 * 0.6
Present price for 12 eggs = 1.3 * 0.6 * 12 = Rs. 9.36.
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