**Math Riddle: **A certain number has three digits. The sum of the three digits equals 36 times this number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second digit minus 9 is equal to the sum of the first and third.

What is the number?

**Answer: **The correct answer is this one is fairly easy – 324 is the answer.