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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?

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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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?

asked
User Zygro
by
8.4k points

2 Answers

4 votes
depends on how many tests there are
answered
User Peter Bridger
by
8.9k points
7 votes
Your answer would be about 4.
40 + 100 + 100 + 100 = 340
340 divided by 4 = 85
I hope this helps!
answered
User Mwaa Joseph
by
9.0k points
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