suppose you score 40 out of 100 points on a math test. if you get 100 on all other math test. how many more test will it take for you to bring your mean score up to 80?

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asked Mar 26, 2019 99.9k views

4 votes

suppose you score 40 out of 100 points on a math test. if you get 100 on all other math test. how many more test will it take for you to bring your mean score up to 80?

Mathematics
high-school

Zygro asked

by Zygro

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4 votes

depends on how many tests there are

Peter Bridger answered Mar 28, 2019

by Peter Bridger

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7 votes

Your answer would be about 4.
40 + 100 + 100 + 100 = 340
340 divided by 4 = 85
I hope this helps!

Mwaa Joseph answered Apr 2, 2019

by Mwaa Joseph

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