About $1.80 because 8.7590 divide by 4.80 is about$1.80
Answer:
$7.67
Step-by-step explanation:
So if 8 pens cost $4.72, one pen would cost $0.59. 0.59 x 13 will be equal to 7.67.
Let's begin by listing out the information given to us:
There are four students: n = 4
Number of students to be selected: r = 2
To calculate the combination of 2 students to be chosen, we use:

Therefore, there 12 possible combinations from these
Jesse, to answer this, we need to see the graph. I'd help if I could! You can message me if you post it! :D