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RSB [31]
3 years ago
12

Lisa’s test grades are 79, 89, and 90. What is Lisa’s test average?

Mathematics
2 answers:
Slav-nsk [51]3 years ago
7 0

Answer: 86

Step-by-step explanation: You would add up all the numbers, then divide by the amount of numbers there are.

For example

79+89+90=258

Since there are three numbers(79,89,90) you would divide 258 by 3 and would get 86.

Hopes this helps

Alik [6]3 years ago
6 0
The answer is 86!

Add the numbers together. 79 + 89 + 90

Then divided by 3.

86.
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