Answer:
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The mean is 19.5
Step-by-step explanation:
You have to add all of the numbers up then divide by how many numbers there are.
Ex: 5, 5, 6, 7
add them up and you get 23
Divide 23 by how many numbers you have, which in this case, is 4
The answer to this example would be 5.75
45%
trust me i took this test before
12 items in total
40-4.5*8=4leaving 4 dollars to spend on 4 drinks
