Question

if the cost of 60 pens is Rs. 540 find the cost of 9 pens​

Answer 1

Answer:

So cost of 60 pens is Rs. 540.

Step-by-step explanation:

Then cost of one pen=540/60=9

Cost of 1 pen=9×9=Rs.81

Answer 2

Answer:

540/60*90=9*90=810 it is right answer