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.

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