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

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> 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      Log On


   

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) About Me  (Show Source):
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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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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