Determining exchange rate for buying currency

nomorepie

New member
Joined
Nov 9, 2010
Messages
5
Hello.

I have a task which sounds like the following: Based on the following information, determine the exchange rate for buying SGD, INR and GBP in exchange for selling JPY. Also, determine the possible rate for selling INR, SGD and GBP in exchange for buying JPY.


(1)
JPY: 81.40-50 = USD 1
SGD:1.30-35 = USD 1

(2)
JPY: 81.40-50 = USD 1
INR: 44.30-40 = USD 1

(3)
JPY: 81.40-50 = USD 1
USD: 1.62-67 = GBP 1


I have tried searching for ways to calculate such a task, but have not found any results :(
If someone can lead me in the right direction (I do not need the answers, just the proper way to calculate) I would be eternally grateful. Thanks!
 
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