Question

10 pencils cost 22 rupees, find the cost of 12 pencils. ​

Answer 1

cost of 10 pencils = 22

cost of 1 pencil = 22÷10 = 2.2

∴ cost of 12 pencil = 2.2 ×12 = 26.4 (answer)

   

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Answer 2

Answer:

Given,

Cost of 10 pencils = 22

Cost of 1 pencil = 22/10 = 11/5.

Cost of 12 pencils = 11/5 × 12 =132/5 = 26.4 rupees.