The graph shows the ratio of pencils to pens sold at the school bookstore.
Pencil and
Pen Sales
y
Number of Pens
20
18
16
14
12
10
8
6
4
2
X
0
2 4 6 8 10 12 14 16 18 20
Number of Pencils
If the bookstore sells 12 pencils, what is
the ratio of pencils to pens sold written as
a fraction?


Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?