Since 1 Jamaican Dollar is equal to 1.3975742868898804 Guyanaese Dollars, we could say that n Jamaican Dollars are equal to 1.3975742868898804 times n Guyanaese Dollars. In other words, we could use the following formula:
Guyanaese Dollars = Jamaican Dollars x 1.3975742868898804
For example, let's say that we want to convert 2.0 Jamaican Dollars to Guyanaese Dollars. Then, we just replace Jamaican Dollars in the abovementioned formula with 2.0:
Guyanaese Dollars = 2.0 x 1.3975742868898804
That is, 2.0 Jamaican Dollars are equal to 2.795148573779761 Guyanaese Dollars.