Question

Lisa’s test grades are 79, 89, and 90.

What is Lisa’s test average?

Answer 1

So you do 79+89+90=258 then you take 258/3=9.3 so you would get a 93% test average
Hope this helps

Answer 2

Lisa's text average is 86 :))

Explanation:

add all numbers up then divide them by 3.