Question

if the cost of 3 pens are 12 rupees then find the costof 18 pens word problems​

Answer 1

Answer:

Cost of 3 pens = Rs.12

Cost of 1 pen = Rs.12/3 = Rs. 4

Cost of 18 pens = Rs. 4 × 18 = Rs. 72

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Answer 2

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Cost of 3 pens = 12 rupees

Cost of 1 pen = 12/3 = 4 rupees

Cost of 18 pen

= 18 × 4

= 72

The cost of 18 such pens is rupees 72.

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