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baherus [9]
2 years ago
11

23. Eduardo wants to get a grade of 95 in his math

Mathematics
1 answer:
dlinn [17]2 years ago
3 0

Answer:

            equation:          (91 + 89 + x):3 = 95

            score needed:        x = 105

Step-by-step explanation:

x - the third test score

average of three it's a sum of the three divided by 3:

(91 + 89 + x):3 = 95

                ×3         ×3

    180 + x  = 285

         -180       - 180

            x = 105

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