Question

In order to be exempt from the semester exam in your math class, I must earn at least an 80% average. The total number of points in your class is 438. Last week, I earned 120 points. This week I earned 90 points. How many more points must I earn this week earn at least a B (80% average)?

Answer 1

try to take the 120 and 90 and subtract then take 80% of that number