Answer:
Student C who is paid $290 for 20 hours of work
Explanation:
To find the unit rate for each student you put p/h.
Pay/hours, Student A was paid $11.75 each hour
Student B $13.5 each hour
Student C $14.5 each hour
$11.75 x 20 =$235
$13.5 x 20 = $270
$14.5 x 20 = $290