Mathematics · Number System
In a three-digit number, the digit in the unit's place equals 3 times the digit in the ten's place, and 7 times the digit in the ten's place equals 3 times the digit in the hundred's place. If the sum of all three digits of the number is 19, what is the number?
- 1848
- 2937
- 3739✓
- 4379
Correct answer
739
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