SOLUTION: An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 72, 61, and 71 on the first three exams. Write an inequality representing the sc

SOLUTION: An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 72, 61, and 71 on the first three exams. Write an inequality representing the sc

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Question 26710: An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 72, 61, and 71 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the course.
Please help.
Thank you so much.
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
let score be x

so, (72+61+71+x)/4 > 70
204+x > 280
x > 76

jon.

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