SOLUTION: in a two digit number,the digit in the unit place is twice of the digit in the tenth place.if the digit are reversed,the new number is 27 more than the given number.find the number
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Question 880849: in a two digit number,the digit in the unit place is twice of the digit in the tenth place.if the digit are reversed,the new number is 27 more than the given number.find the number.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
in a two digit number,the digit in the unit place is twice of the digit in the tenth place.if the digit are reversed,the new number is 27 more than the given number.find the number.
***
let u=units digit
let t=tens digit
u=2t
..
digits reversed:
10u+t=10t+u+27
20t+t=10t+2t+27
9t=27
t=3
u=2t=6
number:36
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