SOLUTION: The product of my 2 digits is 16. My first digit is 4 times my second digit. What am I?

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Question 809044: The product of my 2 digits is 16. My first digit is 4 times my second digit. What am I?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Two digits:
x and 4x
x * 4x = 16
4x^2 = 16
x^2 = 16/4
x^2 = 4
x = square root of 4
x = 2.
First digit = 2
Second digit = 8.
Hope this helps.
:-)