Posted by **Joe** on Sunday, March 7, 2010 at 6:38pm.

Find the four-digit number described by these three clues.

1) The first digit is one-third of the third digit.

2) The fourth digit is twice the second digit.

3) The first and third digits add up to twice the sum of the second and fourth digits.

- math -
**bobpursley**, Sunday, March 7, 2010 at 6:46pm
The first digit has to be 1,2,or 3, it can't be anything else.

posibilities:

1x3x

2x6x

3x9x

The second digit can be 1,2,3,4

x2x4

x3x6

x4x8

The final clue lets you determine which digits it is.

## Answer This Question

## Related Questions

- Math - i am a four digit number. all of my digits are different. my first digit ...
- math - this code has five digit 1,2,3,4,5. the first digit plus the second digit...
- maths - what is the four digit number which satisfies these conditions; The last...
- Math - Solve the mathematical puzzle. Determine the digits of R from these clues...
- math - The number uses every number 0-9 the numbers are used only once the ...
- Math - Determine the digits of Y from these clues. The digits of Y add to 18. ...
- math - Find a six-digit even number containing no zeros and no repeating digits ...
- Math - A number has 4 digits. The sum of the first and last digit is twice the ...
- Math - A number has four digits. the sum of the first and last digits is twice ...
- Mathematics- abstract maths - If I am a three digit number and my first digit is...

More Related Questions