Biased sample of what? I need more context :)
Step-by-step explanation:
Let x = 0.3333333...
Then 10x = 3.3333333....
We have 9x = 3, so x = 3/9 or 1/3.
188
4x11 + 5 x 28 + 4
44 + 140 + 4
188
On average one out of 6 customers purchase fantasy books most frequently
If the sale was for 30% off, then she paid 70% of the regular price
100%-30%=70% or 0.70
72*0.70=$50.40
Answer= $50.40
