4 years ago

If Anna’s test grades are 66, 90, and 99, what is her test average?

Mathematics

2 answers:

blsea [12.9K]4 years ago

5 0

Answer:

Step-by-step explanation:

You have to add up all the numbers

60+90+99=255

Then divide by the number of numbers you added together

255 divided by 3 equals 85

shtirl [24]4 years ago

4 0

Answer:

The average is 85

Step-by-step explanation:

To find the average, add up all the scores and divide by the number of scores

(66+90+99) / 3

255/3

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