ACT Math Practice Question #1457 (Medium (31)) | Test Citadel
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ACT Math Difficulty: Medium (31)

Digital ACT Math Practice Question #1457

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In a biology course, homework counts for 20% of the final grade, midterm exams count for 50%, and the final exam counts for 30%. If Maya has an 85 homework average and an 78 midterm average, what minimum score must she earn on the final exam to achieve an overall grade of at least 80?
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56 + 0.3F = 80 -> 0.3F = 24 -> F = 80.

Masterclass Solution & Distractor Trap Analysis

Grade = 0.20(85) + 0.50(78) + 0.30(F) >= 80. 17 + 39 + 0.30F >= 80 -> 56 + 0.30F >= 80 -> 0.30F >= 24 -> F >= 24 / 0.30 = 80....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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