X = 52 would be the answer you get.
Explanation you would divide both sides by 0.6 which leaves the x and by dividing 31.2 divided by 0.6 it gives you 52
Answer:
D. 5
Step-by-step explanation:
Mean: (50+60)/2
110/2
55
Margin of error:
60 - 55
5
Answer:
B, C, and D
Step-by-step explanation:
First, we have to simplify 9 and 6 down to 3 and 2
After you just see which one works and which one doesn't.
3
7/2 or 3 1/2
9
12
You multiply the number on the top with whatever you are multiplying it with then divide by the number on the bottom