On the first 4 quizzes of her chemistry class, nadia got an average score of 88. what does she need on the next quiz to have an
overall average of 90?
1 answer:
Answer: 98
88+88+88+88+98= 450
450/5 = 90
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Answer:
x+y=5
Step-by-step explanation:
y=-x+5
add x to both sides
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