Please help with number 3 I give brainliest and can you show work thank you!

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Rounded to the nearest tenth, what is the value of x