Jay scored a 92, 87, 89, and 94 on the past 4 assessments. What is the lowest grade for the 5th exam that he can get to earn a 90%?

Jay scored a 92, 87, 89, and 94 on the past 4 assessments. What is the lowest grade for the 5th exam that he can get to earn a 90%?

Please solve and explain the process without guess and check.

data to use Car U used 14 gallons Car V used 12 gallons Car w used 12 gallons Car x used 6 gallons Car Y used 8 gallons

We got 98 but used guess and check method which is not allowed, how else could you get 98 with out guessing. We started at 100 and worked down.

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No I has an average of 92 for the last 3 math quizzes white mice I make on the 4th quiz to raise his average to 94

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