Question

cost of one dozen pens Rs 72 then what is the cost of 20 pens​

Answer 1

Answer:

Rs. 120

Step by step explaination:

1 dozen=12

Cost of 12 pens= Rs 72

Cost of 1 pens= 72÷12=6

Cost of 20 pens=6×20=120

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Answer 2

Answer:

Please mark me as branliest.

Step-by-step explanation:

Cost of one dozen pens =72

therefore, the cost of 20 pens = {72rupees + (cost of 8pens)}

= [72 + {(72/3)×2}]

= {72 + (24×2)}

= 72 + 48

= 120 rupees