Answer:
The GPA you earn in a particular semester is your Marginal GPA, and your cumalative GPA for all completed semesters is your average GPA.
Step-by-step explanation:
$48
The video store sold 5 movies for 12 dollars .
Each movie cost 12/5 dollars
Which is 2.4dollars .
20 movies will be sold for
$2.4 x 20 = $48
x=3
4x+1 = 5x-2
Bringing all like terms together,
5x-4x = 2+1
x = 3
x=67
y=36
x+y=103
2y=x+5
