What is the smallest positive number that must be added to 488 to make it divisible by 9?
- A.7 ✓
- B.9
- C.6
- D.8
Explanation: 488 ÷ 9 leaves a remainder, and adding 7 reaches the next multiple of 9.
Class 6 IMO Mathematics Olympiad practice · Number Sense · Factors, Multiples & Primes
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