Step-by-step explanation:
a.

b.

Answer:
370
Step-by-step explanation:
First find the unit rate aka price per pencil: 20 divided by 6 equals 3.333
Then find amount for all pencils
3.333 by 111 is 369.963
Then we round up to have a realistic amount of pencils to 370
Answer:
C
Step-by-step explanation:
200 + 0.15x
The x is the amount of commissions she makes
So an example would be:
3 Commissions
200 + 0.15(3)
that would be 30x3
Thus making it 200 + 90
290.
Hope this helped! And please give brainiest if you want :D
Xy=80 would be right because it would be x=80/y and y=80/x