SOLUTION: What is the 4 digit number in which the first digit is one fifth of the last, and the second and third digits are the last digit multiplied by 3? The sum of the digits is 12

Question 931278: What is the 4 digit number in which the first digit is one fifth of the last, and the second and third digits are the last digit multiplied by 3? The sum of the digits is 12
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
What is the 4 digit number...

----

...in which the first digit is one fifth of the last,...

That narrows it down to 

1--5

...and the second and third digits are the last digit multiplied by 3?...

The last digit is 5, multiplied by 3 is 15, so 15 goes in the middle,
so the number is

1155

The sum of the digits is 12

That checks:  1+1+5+5=12.

Answer: 1155

Edwin

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