Question

if the cost of 8 pens is rs 72 , then the cost of 13 such pens is??

Answer 1

heya..here's ur answer

if the cost of 8 pens = Rs 72

therefore ,
cost of one pen = 72/8

therefore ,

cost of 13 pens = (72 ×13) /8

=117


hope it might be helpful !! ##

Answer 2

Cost of 8 pens = 72 rupees
Cost of 1 pen=72÷8=9
Cost of 13 pen=13×9=117 rupees