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A student has grades on 3 examinations of 76,80,and 72. What must a student earn on a 4TH examination to have an average of 80

A student has grades on 3 examinations of 76,80,and 72. What must a student earn on a 4TH examination to have an average of 80
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A student has grades on 3 examinations of 76,80,and 72. What must a student earn on a 4TH examination to have an average of 80

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User Lee Probert
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1 Answer

6 votes

Answer:92

Step-by-step explanation: 80=(76+80+72+x)/4

X=(4*80)-(76+80+72)

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User Otunba
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