Answer:
x, y = 0.10
Step-by-step explanation:
S=49p+7*9p=(49+63)p=112P
answer is B
1/10 is the probability.
You find this by putting 25/250 and simplifying.
The second day, she sold more.
We know 7/9 is about 0.777777777778
And 0.78 < 0.85
So the second day she sold more.