Question

Thirty pens cost rs 45. find the cost of 45 pens​

Answer 1

Answer:

45

Step-by-step explanation:

the pen cost 45 is your answer

Answer 2

Answer:

67.5

Step-by-step explanation:

Cost of 30 pen = 45

Cost of 1 pen = 45/30 = 1.5/-

Cost of 45 pen = 1.5 x 45

= Rs. 67.5