All needs

All need a mean score of 92 or higher on four texts to get an A. So his scores are 94. 90. and 84
What score on the fourth test will get him an A?

Correct answer:

d =  100

Step-by-step explanation:

92=494+90+84+d 4 92=94+90+84+d  d=4 92(94+90+84)=100

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