Ashley has scored 81, 74, 72, and 93 on her previous four tests. What score does she need on her next test so that her average (
1 answer:
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Mean is the "meanest" because it requires the most work. Add up the values in your data set and divide by the number of terms in the data.
Let x represent attendees at Harry's Hoedown, then
Mean =
41 =
123 = 48 + 33 + x
123 = 81 + x
42 = x
Answer: 42
I like to use Desmos Graphing Calculator. The attachment is what I get when I plug the inequalities in.
