Question

In a three-digit number, the hundreds digit is one half of the tens digit. The tens digit is

twice the one's digit. If the sum of the digits is eight, find the number.

Answer 1

242

Explanation:

Rule out anything above five from being the ones number as it wouldn't be possible to be doubled for the tens.

After that it is just trial and error putting 1,2,3,4 in the tens and following the word equation.

121 = doesn't equal 8

363= doesn't

484 = doesn't

thats leaves 242 which follows the pattern and equals 8