Posted a picture showing the solution. Everything is on it, including calculations.
The answer is 142 square inches (or 142 in.^2) same thing.
Hope this helps!
The answer is 142 square inches (or 142 in.^2) same thing.
Hope this helps!
Help Due Tomorrow Morning
1 answer:
You might be interested in
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>