SOLUTION: On the first three tests in his math class, Bob's scores were 77, 93, and 84. What is the lowest grade Bob can get on his next test so that the average of his four test grades will

Question 755760: On the first three tests in his math class, Bob's scores were 77, 93, and 84. What is the lowest grade Bob can get on his next test so that the average of his four test grades will be atleast 85?
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
On the first three tests in his math class, Bob's scores were 77, 93, and 84. What is the lowest grade Bob can get on his next test so that the average of his four test grades will be at least 85?
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A:
lowest grade on next test = 85(4) - (77 + 93 + 84) =

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