Answer:
Ted
Step-by-step explanation:
Answer:
4 1/2
Step-by-step explanation:
Answer:
<em>Grades to be scored in 3rd exam = 88</em>
Step-by-step explanation:
Given that average of 3 numbers is 85.
First two numbers are 81 and 86.
To find:
3rd number so that average is 85
Solution:
Let the third number = 
Formula for average is:

Here, sum of numbers = 
Total count of numbers = 3

<em>Grades to be scored in 3rd exam = 88</em>
Answer:
I don´t remember how to do this sorry
Step-by-step explanation:
False
on the left, there is 2 negatives, which cannot result in a negative number on the right