There is something wrong with your statement, which should be: the buying and selling price of USD/JPY is1195.001205.50, and the buying and selling price of USD/JPY is109.501.00.

So:

Yen/won = (1195.00/1.00)/(1205.50/109.50) =10.

The buying price of Japanese yen is 10.7658, and the selling price is 1 1.0095438+0.