Answer:
Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.
Step-by-step explanation:
Given:
First 4 test scores = 87%, 92%, 76%,89%
Average targeted = 80%
We need to find the minimum score she needs to make on fifth test to achieve average of at least 80%.
Solution:
Let the minimum score she needs to make in fifth test be 'x'.
Total number of test = 5
Now we know that;
Average is equal to sum of all the scores in the test divided by number of test.
framing in equation form we get;
Multiplying both side by 5 we get;
Subtracting both side by 344 we get;
Hence Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.
34.30. I think this is the answer.
-6, -5, -4 , -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
If you count all the numbers displayed, it is shown that the temperature has changed 16°
Answer:
your answer is 105
Step-by-step explanation: