Which of the following values of t will result in a true statement when substituted into the given equation? 1/2 t-4(2+t)=20

A. t = 8
B. t = -8
C. t = 11
D. t = -12

This is so hard and it’s for a test

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Ineed to know the answer to this algebra question.