To convert Brazilian reals to U.S. dollars using the given exchange rate of .7615 U.S. dollars per Brazilian real:
1 Brazilian real = 0.7615 U.S. dollars
Therefore, to find out how many U.S. dollars are needed to purchase 5,800 Brazilian reals, we can multiply 5,800 by the exchange rate:
5,800 Brazilian reals x 0.7615 U.S. dollars per Brazilian real = 4,415.70 U.S. dollars
Therefore, 4,415.70 U.S. dollars are needed to purchase 5,800 Brazilian reals at an exchange rate of .7615 U.S. dollars per Brazilian real.