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Larson has a score of 89 for each of his first three science
quizzes. The score on his fourth quiz is a 92. What score
does he need on the fifth quiz to have an average of exactly
90?

Respuesta :

Answer 91

Step-by-step explanation:

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Answer:

91%

Step-by-step explanation:

(89+89+89+92)/4 = 89.75%

To get exactly 90, he would need a 91% because a number between 89-92 is 91. Also, you can just guess and check on the calculator!

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