Answer:
joey's grade is a B+
Step-by-step explanation:
Tests: 82 * 0.8 = 65.6
Quiz: 77 * 0.15 = 10.8
Homework: 98 * 0.05 = 4.9
Adding all the marks: 65.6 + 10.8 + 4.9 = 81.3
Joey's current grade is 81.3
