How much is 49.00?

49.00 signifies 49 and no 100ths of a currency, but it could be dollars or pounds or kroner, depending on the country. For instance, $49.00 is forty-nine dollars. £49.00 is forty-nine pounds. ¥49.00 is forty-nine yen. And so on. Without a symbol or a Word designation we can't know forty-nine of what.