Since 1 US Dollar is equal to 155.707322 Jamaican Dollars, we could say that n United States Dollars are equal to 155.707322 times n Jamaican Dollars. In other words, we could use the following formula:
Jamaican Dollars = United States Dollars x 155.707322
For example, let's say that we want to convert 2.0 United States Dollars to Jamaican Dollars. Then, we just replace United States Dollars in the abovementioned formula with 2.0:
Jamaican Dollars = 2.0 x 155.707322
That is, 2.0 United States Dollars are equal to 311.414644 Jamaican Dollars.