SOLUTION: in a science course, you must average 89 for an A. Your first three tests were 75,95,and 9. if you have only one test remaining, what score do you need for an A?

Question 354722: in a science course, you must average 89 for an A. Your first three tests were 75,95,and 9.
if you have only one test remaining, what score do you need for an A?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi,
*Note: Average of all four test must be 89 to get an A.
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Let x be the score of the remaining test
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question reads

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simplify and solve
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check your answer

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