12/6 can be written as 2 because 6 can go into 12 two times.
Total of items sold over the 5 days = 494 * 5 = 2470
so total for wednesday and thursday = 2470 - 495 - 450 - 593 = 932
The totals for wednesday could have been 532
and for thursday they could have been 400.
19. A) 8 out of 14 chance/probability
19. B) 9 out of 16 chance/probability
19. C) 8 out of 18 chance/probability
sorry don't understand the rest