To the find average of the test scores, we need to find the mean.
To find the mean, all we need to do is add up all the numbers and then divide the answer by how many numbers there are
81 + 83 + 85 = 249
249 ÷ 3 = 83
Therefore, the new average is 83
Hope this helps
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Answer:4
Step-by-step explanation:
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Answer:
I know how to help you.
Step-by-step explanation:
There is a web site called Khan Academy and it can help you understand how to solve it and it is completely free and you can use it as much as you want. There are videos that explain it to you and problems like help with practice I 100% reccomend it!
Answer: “B” is the answer.
Explanation: I did it in my head so I am correct.
