The answer is 3-79x+43y or
-79x+43y+3
B. the x and y values were not identified correctly
Answer:
-40
Step-by-step explanation:
(-7)(5)-5=-35-5=-40
Total marks for five tests = 85 * 5 = 425
Total marks in six tests with 90% would be: 90 * 6 = 540
So, the remaining marks will be: 540-425 = 115
Student must earn 115 grade in order to reach other average score of 90%
Hope this helps!