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Novosadov [1.4K]
2 years ago
5

Brian scored 92, 87 and 88 on three science tests. Write and solve an equation to find the score Brian will need on the fourth s

cience test so that the mean test score is 90.
Mathematics
1 answer:
Marta_Voda [28]2 years ago
3 0

Answer:

You would need to score a 93% to have an average of 90.

Step-by-step explanation:

Well, to check my work you would need to find the average.

So, 93 + 92 + 88 + 87 = 360. Then you divide by four; 360 / 4 = 90. ^^

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