Five pen cost ₹115. How many pens can you buy in ₹207 ?
Given number of pen bought in ₹115=5
By unitary method:
Divide both side by 115
number of pen bought in ₹1=5115
Multiply both side by 207
number of pens bought in ₹207=207×5115=9
Hence, 9 pens can be bought in ₹207