Answer:
Step-by-step explanation:
a) 20% decrease, b) 25% increase
a.(x)=7
b.(x)=14
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do W x L which equals 24.
o is there
2x-2
0 is answer
Mean = 18.8
Mean = (Sum of all values)/(Number of values)
Mean = (12 + 15 + 18 + 23 + 26)/5
Mean = 94/5
