Question

9 fountain pens cost Rs. 73.80 What do a dozen of fountain pens cost​

Answer 1

Answer:

9 pens cost Rs. 73.80

1 pen costs Rs 73.80 /9

12 pens cost

Rs 73.80/9 ×12= 8.2×12= 98.4

Answer 2

Answer:

98.4 is your answer

Step-by-step explanation:

cost of one pen = 73.80/9

cost of 12 pen = 73.80/9*12

cost of dozen of pens = 98.4