At the fall festival, the student council sold 114 drinks and collected $313.50. The total amount collected is proportional to the number of drinks sold. What is the constant of proportionality in terms of dollars per drink?

A.
3.75
B.
2.75
C.
2.25
D.
3.25

B. 2.75

To find the constant of proportionality, divide the total amount collected by the number of drinks sold:

$313.50 / 114 drinks = $2.75 per drink

Therefore, the constant of proportionality is $2.75 per drink.