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3 years ago

13

Kelly is playing a computer game to help her learn about science. Her scores for the first six games were 10, 12, 10, 8, 14, and

15.
How many points does she need to earn on the next game so that her average score for all games is 12 points?
Question 5 options:

3

11.5

15

84

1 answer:

Inga [223]3 years ago

6 0

(x+69)/7 = 12
so, x = 15

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