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Calvin wants to earn an average grade of 90% in his Algebra class.He already has the following scores on assignments:90%,95%,85%,80%,97%.What mist he score on his next assingmen…

Calvin wants to earn an average grade of 90% in his Algebra class.He already has the following scores on assignments:90%,95%,85%,80%,97%.What mist he score on his next assingmen…
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Calvin wants to earn an average grade of 90% in his Algebra class.He already has the following scores on assignments:90%,95%,85%,80%,97%.What mist he score on his next assingment to earn the average he wants?

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User Arunprabhu
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8.2k points

1 Answer

5 votes
To get an average of 90 points on 6 assignments, he would need a total of 90*6 = 540% points.

He has right now: 90+95+85+80+97= 447% points

So on his next assignment, he needs 540%-447% = 93%
answered
User Blom
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8.4k points
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