Question

Four erasers are purchased for ₹10.Find the cost of one dozen erasers​

Answer 1

Answer:

1 dozen erasers = 12 erasers.

If 4 erasers are worth ₹10,

12 erasers would be worth - ₹10 × 3 = ₹30.

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Answer 2

Answer:

cost of 4 erasers= Rs. 10

cost of 1 eraser= 10/4= 2.5

cost of 12 erasers= 12 x 2.5= Rs. 30