I think the answer will be A
I think the correct answer would be : b. 4x(7+6) = (4 x 7) + (4 x6)
I hope this helps !
Total of the 5 assignments = 90 + 95 + 85 + 80 + 97 = 447
If he wants an average of 90% for 6 assignments,
he needs a total score of 90 x 6 = 540
To achieve the average score of 90%,
he needs to score 540 - 447 for his 6th assignment.
540 - 447 = 93%
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Answer: He must score 93% for the next assignment.
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Answer:
(y - 7)/(8 - 6) = 3
(y - 7)/2 = 3
y - 7 = 6
y = 13
Step-by-step explanation: