SOLUTION: Carla has three test scores of 91, 94, and 82 here is one more test during the semester. She wants to make an A in the class, which means she needs her average to be a 90%. All fou

Question 970765: Carla has three test scores of 91, 94, and 82 here is one more test during the semester. She wants to make an A in the class, which means she needs her average to be a 90%. All four tests count the same in determining the class grade. What grade does she need to make on the fourth test to make an A in the class?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Scores: 91, 94, 82, x.
Percentage needed for A grade: 90%.
Find x.

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