I am a 3-digit number that is less than 500. My ones digit is twice the hundreds digit. The sum of the three digits is 14. What number am I?

ooh fun
so xyz=number z=2x x+y+z=14 subsitute z=2x into x+y+z=14 x+y+(2x)=14 3x+y=14 number must be 3 digit and less thaan 500 since the tens digit's max is 9 then z+x≥14-9 z=2x 3x≥5 x max=5 because 500 is max so x could be 2,3,4 so
284 356 428 are the numbers

Answered by apologiabiology | 2024-06-10

the three possible answers are 428, 356, and 284. All are less than 500, all have a units digit twice the hundreds digit, and all have 14 as a sum of digits.

Answered by aannad1 | 2024-06-24

The possible 3-digit numbers less than 500, where the ones digit is twice the hundreds digit and the sum of the digits equals 14, are 284, 356, and 428. All these numbers meet the specified criteria.
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Answered by aannad1 | 2024-10-14