Chief Editor
Chief Editor
 Mar 28, 2024
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Tom scored 85, 78, and 98 on his first three exams in history class. Solving which inequality gives the score, $G$, on Tom's fourth exam that will result in a mean score on all four exams of at least 90 ?
Difficulty: Easy
A:

$90-(85+78+98)\leq 4G$

B:

$4G+85+78+98\geq 360$

C:

$\dfrac{(G+85+78+98)}{4} \geq 90$

D:

$\dfrac{(85+78+98)}{4}\geq 90-4G$

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