Question 57
Riquinho distributed $R\$ 1000.00$ reais among his friends Antônio, Bernardo and Carlos in the following way: he gave, successively, 1 real to Antônio, 2 reais to Bernardo, 3 reais to Carlos, 4 reais to Antônio, 5 reais to Bernardo, etc. How much did Bernardo receive?