Question

3 pens cost is 18 how much will 20 pens cost

Answer 1

3 Pens cost Rs.18

So, 1 Pen costs 18/3 =6

So, cost of 20 pens= (6*20) =120.

Answer 2

Cost of one pen is 6 (6×3=18)

Then cost of 20 pens = 6×20

= 120

It costs 120 for 20 pens

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