2 years ago

Jacob scored 85%, 90%, and 74% on his first three tests. Then he scored 99%, 84% and 75% on his next three

Mathematics

1 answer:

AlekseyPX2 years ago

3 0

The average of the first three is 83 (85 + 90 + 74)/3
The average of the next 3 is 86.

The difference is 3

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