According to my calculations the 30% of 570 is 171
10% of 570 is 57
times that by 3 and you get 171
The answer is 52.80 because the tip is $8.80 and 44.00+8.80=52.80
Answer:
Let E be the event that the first marble selected is green. Let F be the event that the second marble selected is green. A box contains 20 blue marbles, 16 green marbles and 14 red marbles P(F/E)=15/49 because if the first marble selected is green there are 49 in total and 15 are green. I think this is it.
Step-by-step explanation:
