As of 11:30am ET today:

• 1 JMD = 0.0063 USD; and
• 2 JMD = 0.0126 USD.

So 20 JMD = 0.1260 USD

Twenty Jamaican Dollars equals roughly 12-and-a-half cents in USD.

(No cashtags for fiat currencies (Including American Dollars and Euros).)