Answer:
s = 5.1
Step-by-step explanation:
Multiply both sides of the equation by 10
Expand
Subtract 28 from both sides
Simplify
Divide both sides of the equation by 10
Simplify
Answer:
6 9 4 7
Step-by-step explanation:
i teach math
To find the mean, you need to find the average. The equation that I used was 61(1)+64(3)+67(5)+70(6)+73(5) and then divided that total by the total number of 20.
The answer would be D) 68.5
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