Answer:
5
Step-by-step explanation:
All you have to do is add the numbers
1 + 8 + 4 + 7 + 7 + 6 + 7 + 0 = 40
Since there is 8 numbers, you divide 40 by 8.
40/8 = 5
The mean of the set of numbers is 5.
The mean is calculated as
mean =
= = = 5
The answer should B, only one makes sense
2x
u have to add it and do a long method of working out
x=k/y
w=k/t
5=k/√49
5=k/7
k=5×7
k=35
