Answer:
the spread for brand a and b are equal
Step-by-step explanation:
Brand A range = 22 − 18 = 4
Brand B range = 18 − 14 = 4
4 − 4 = 0
-1
x+x+2x=-2-2
4x=-4
x=-1
n > 17
Add 3 on both side: n - 3 + 3 > 14 + 3
--> n > 17.
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