On friday, a fruit stand sold a total of 92 apples and oranges. on saturday, the fruit stand sold four times the number of apples and two times the number of oranges. a total of 284 apples and oranges were sold on saturday. which system of equations yields the number of apples, a, and oranges, o, sold on friday? a) a + o = 92 4a + 2o = 284 b) a + o = 284 4a + 2o = 92 c) a + o = 92 2a + 4o = 284 d) a + o = 284 2a + 4o = 92