well, we can say that 1 hour is 100%, what is 2/5 hr off of it in percentage?
Answer:
9
Step-by-step explanation:
18:2
?:1
?=9
Answer:
C
Step-by-step explanation:
Mean is the average. To find mean, add all the numbers in a data set, then divide by the number of values.
Example: 1,2,3,4,5
Mean: 1+2+3+4+5= 15
Number of values: 5
15/5 = 3
Mean is 3