SOLUTION: I have got a few questions. A whole number has two digits. The second digit is two times more then the first digit. The sum of the digits is 12. What is the number ?

Question 683460: I have got a few questions.
A whole number has two digits. The second digit is two times more then the first digit. The sum of the digits is 12. What is the number ?
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
x = tens
y = ones
...
y = 2x
x+y = 12
...
Substitution
x + 2x = 12
3x = 12 ==> divide both sides by 3

...
y = 2(4) = 8

...
The number is
.....................
Have more questions?
Email: HomeworkHelpers@readingboosters.com
Delighted to help.
-Reading Boosters
Website: www.MyHomeworkAnswers.com
Wanting for others what we want for ourselves.
RELATED QUESTIONS
A number has five digits, none of which are zero. The first digit plus the second digit... (answered by MathTherapy)

The tens digit of a two-digit number is 1 more than two times the units digit. If the sum (answered by Shai)

Find a five-digit number in which the first digit equals the sum of the fourth and fifth... (answered by stanbon,solver91311)

The sum of the digits of a two digit number is 14. The first digit is 4 less than the... (answered by stanbon)

the sum of the digits of a two digit number is 15. The second digit is 12 less than twice (answered by rwm)

The sum of the digits of a two-digit number is 14. The first digit is 4 less than twice... (answered by prateekagrawal)

The sum of the digits of a two-digit number is 14. The first digit is 4 less than twice... (answered by fcabanski)

The sum of the digits of a two digit number is 11. The tens digit is one more than four... (answered by feliz1965)

The tens digit of a two-digit number is 1 more than four times the units digit. If the... (answered by htmentor)