Frank earned scores of 79, 82, and 91 on three tests in one class. What score does he have to earn on
the fourth test to end up with an average score of 85
on the four tests?
A. 85
B. 88
C. 89
D. 91
E. 93

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!