SOLUTION: The units digit of a two-digit number is 40% of the tens digit. If the digits are reversed, the resulting number is 27 less than the original number. What is the original number?
Algebra.Com
Question 76045This question is from textbook Algebra 1 Expressions, Equations, and Applications
: The units digit of a two-digit number is 40% of the tens digit. If the digits are reversed, the resulting number is 27 less than the original number. What is the original number?
This question is from textbook Algebra 1 Expressions, Equations, and Applications
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
translating from english to algebrese...u=.4t...10t+u=10u+t+27...so 9t-9u=27
substituting the value of u from the first equation gives...9t-3.6t=27...so t=5 and (from first equation) u=2...original number is 52
RELATED QUESTIONS
the units digit of a two digit number is double the tens digit. if the digit are reversed (answered by josgarithmetic,Alan3354,ikleyn,Edwin McCravy)
the tens digit of a two digit number is half of the units digit. when the digits are... (answered by LinnW)
The tens digit of a two digit number is half of the units digit. When the digits are... (answered by ikleyn)
The units’ digit of a two-digit number is 2 more than 3 times the tens’ digit. When the... (answered by josmiceli)
Digits Problem:
The units digit of a two-digit number is 3 more than the tens digit.... (answered by josmiceli)
The tens digit of a two digit number is 7 more than the units digit. The sum of the... (answered by MathTherapy)
When the digits of a two digit number are reversed, the resulting number is 54 less than... (answered by josgarithmetic,MathTherapy,ikleyn)
In a two-digit number, the tens digit is two less than the units digit. If the digits are (answered by josgarithmetic)
11) The units digit of a two-digit number is one-third the tens digit. When the digits... (answered by venugopalramana)