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Here is a classic DAT-style math question where students often lose track of the fractions across multiple steps.
The key is recognizing where the 8 students come from — they represent the group that took chemistry but did not take biology.
Following the fractions step by step leads directly to the correct setup and solution.
Students often ask which DAT study materials are actually used in real courses. The DAT Destroyer and Math Destroyer are the core books used in Dr. Jim Romano’s DAT preparation classes.
DAT Destroyer
DAT Destroyer 2026 — Complete DAT Science Prep System | Dr. Jim Romano
Math Destroyer
2026 Math Destroyer – DAT and OAT Quantitative Reasoning Prep
Free DAT resources
Start Your DAT and OAT Preparation for Free | Official Resources from
