The mean of their scores is their sum divided by the number of scores.
.. (84 +67 +74 +87 +67 +73)/6 = 452/6 ≈ 75.3
7 * 4 = 28
28 + 5 = 33
33 / 3 = 11
11 - 7 = 4
The number she thought of is 4
The answer is b because 60% is not in the word problem, so you could've used process of elimination to get rid of choice a.
I think I would buy the 3 oz bag for 1.00
