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For the average to be 90,
(99 + 93 + x) / 3 = 90
or 192 + x = 270 or x = 270 - 192 = 78
Jim must score at least 78 in the third test.

Answered by ksameer73 | 2024-06-10

Jim must get ≥ 78 score to maintain his **average **≥ 90 .
What is an average ?
Every thing has a central tendency , **Average **is one of the measure of Central Tendency.
It is the mean of all the given numbers and is determined by summing all the numbers or data and then dividing by the total number of data.
It is given that
Jim has gotten scores of 99 and 93 on his first two tests.
He has to maintain an **average **of 90 or greater
The third test score = ?
**Average **= (99+93+x)/3
90≤ (99+93+x)/3
270 ≤ (99+93+x)
270 ≤ 192 + x
Therefore x ≥ 78
Jim must get ≥ 78 score to maintain his **average **≥ 90 .
To know more about **Average **
https://brainly.com/question/24057012
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Answered by ayoushivt | 2024-06-15

Jim needs to score at least 78 on his third test to maintain an average of 90 or greater. We calculated this by setting up an equation for the average of his three test scores. After solving the inequality, we found that the minimum score for his average goal is 78.
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Answered by ayoushivt | 2024-09-04

Jawaban:JuliPenjelasan:Kalau disekolahku mulai Juli udahasuk sekolah.

Answered by anggunk728 | 2025-07-03