Question

When this​ 3-digit number is rounded to the nearest​ hundred, it rounds to 400. The digit in the ones place is the fourth odd number you count beginning with 1. The sum of the digits is 12. What is the​ number?

Answer 1

Answer: 417

Explanation:

Since the digit in the ones place is the fourth odd number that the person count beginning with 1, then the digit will be 7.

This means the number will be:

____ _____ 7. The number in the units and hundreds place are still unknown. But since the addition of the three numbers gives 12, and approximating to the nearest hundred gives 400. Then the number will be 417.

Check: 4 + 1 + 7 = 12

417 = 400 to nearest hundred