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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Infinite solutions, both end up being the same line
Answer:
b i think
Step-by-step explanation:
Answer:
c=5f
Step-by-step explanation:
the number of calories burned is five per each flight of stairs
Answer:
There are 12 red fish, 19 orange fish
Step-by-step explanation:
Let y rep amount of red fish
y + 7 = Amount of orange fish
y + y + 7 = 31
2y = 31 - 7
2y = 24
y = 12
Then
y + 7
12 + 7 = 19