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HKIMO 2026 Grade 7 National Preliminary Set 03 Question 6

HKIMO · HKIMO 2026 Grade 7 National Preliminary Set 03

Question 6

Given $A:B=3:4$, $B:C=7:5$ and $A+B-C=87$, find $A$.
  1. 24
  2. 38
  3. 52
  4. 63