Because the denominators will always stay the same, no matter what. If they are the same, they will remain the same; however, if they are different, they will be changed to be the same before the numerator is considered.
Answer:
25% change
Step-by-step explanation:
(15 - 12) / 12 = 3/12 = 1/4 = 0.25
Answer:
The value of the third reading is 80 F
Explanation:
Let x represent the value of the third reading.
The average of a set of data equals the sum of all the data divided by the number of data;
Given;
Average = 80 F
Sum of data = 65+85+x+90
Number of data = 4
substituting we have;
solving for x;
Therefore, The value of the third reading is 80 F
More parts to the question required