SOLUTION: The hundred digit number is twice its tens digit. Its tens digit is twice its ones digit. If the product of its digits is 64. Find the three digit number. Solution please.

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Question 912041: The hundred digit number is twice its tens digit. Its tens digit is twice its ones digit. If the product of its digits is 64. Find the three digit number. Solution please.
Answer by Edwin McCravy(20063) About Me  (Show Source):
You can put this solution on YOUR website!
The hundred digit number is twice its tens digit. Its tens digit is twice its ones digit. 
That narrows it down to either 421 or 842

If the product of its digits is 64, 
Since 4*2*1=8 and 8*4*2 = 64 the number is 842.

Edwin