Since 1 Guyanaese Dollar is equal to 0.7379915940275937 Jamaican Dollars, we could say that n Guyanaese Dollars are equal to 0.7379915940275937 times n Jamaican Dollars. In other words, we could use the following formula:
Jamaican Dollars = Guyanaese Dollars x 0.7379915940275937
For example, let's say that we want to convert 2.0 Guyanaese Dollars to Jamaican Dollars. Then, we just replace Guyanaese Dollars in the abovementioned formula with 2.0:
Jamaican Dollars = 2.0 x 0.7379915940275937
That is, 2.0 Guyanaese Dollars are equal to 1.4759831880551875 Jamaican Dollars.