Question

if the cost of 12 pens is Rs 450,the cost of 16 pens

Answer 1

Let's calculate the cost of 1 pen first.

Cost of 1 pen = Rs. 450/12 pens =Rs.37.5

Cost of 16 pens = 16 × Rs. 37.5 = Rs. 600

Answer 2

PENS                                   COST

12                                            450 RS

16                                              x

12x =  450 X 16

  x=    7200 /  12

   x =  600 rs