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Thepotemich [5.8K]

3 years ago

6

Brian's scores on his first four spanish test are 92, 85, 90, and 92. What test score must Brian earn on the fifth test so that

the mean will be exactly 90?

1 answer:

pogonyaev3 years ago

7 0

(92+85+90+92+x)/5 = 90
x=91

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