Suppose that 10% of the general population has a diseases and the test for the disease is accurate is 80% of the time. what is the probability of testing positive for the disease 32% 29% 23% 26% show work

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50