SOLUTION: Joseph has scores of 87, 89, and 92 on his first three weekly algebra assessments. What score must he get on the Week 4 Assessment to have an average of 90 or better for the four

Question 909294: Joseph has scores of 87, 89, and 92 on his first three weekly algebra assessments.
What score must he get on the Week 4 Assessment to have an average of 90 or better for the four assessments (assume that all four assessments are weighted equally)?

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Joseph has scores of 87, 89, and 92 on his first three weekly algebra assessments.
What score must he get on the Week 4 Assessment to have an average of 90 or better for the four assessments (assume that all four assessments are weighted equally)?
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Avg for 4 = (87 + 89 + 92 + week4)/4 = 90 (to get 90)
268 + W4 = 360
W4 = 92

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