SOLUTION: A student has received scores of 81, 84, and 87 on three quizzes. If tests count twice as much as quizzes, what is the lowest score the student can get on the next test to achieve

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Question 782027: A student has received scores of 81, 84, and 87 on three quizzes. If tests count twice as much as quizzes, what is the lowest score the student can get on the next test to achieve an average score of at least 70?
Answer by stanbon(75887) About Me  (Show Source):
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A student has received scores of 81, 84, and 87 on three quizzes. If tests count twice as much as quizzes, what is the lowest score the student can get on the next test to achieve an average score of at least 70?
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