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

Question

2 years ago

5

cience test so that the mean test score is 90.

1 answer:

Marta_Voda [28] · Answer 1 · 2022-11-09T06:05:37+03:00

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. ^^