The third one, because statistical questions have variables that can change
Answer:
22
Step-by-step explanation:
40x.55=22
Answer:
○ 
Explanation:
This should help you figure out why this is the answer:

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Answer:
D. 3 1/2
Step-by-step explanation:
Sum means addition (+)
Sum of a number, x and 1/2=4
This means the addition of the two numbers
x+1/2=4
Make x the subject of formula
x=4-1/2
Finding the L.C.M
= 8-1/2
x=7/2
x=3 1/2
Step-by-step explanation:
the answer is in the above image