SOLUTION: the sum of the digits of a two-digit number is 6. if the digits are reversed, the new number is three times the original tens digit. find the original number
Algebra.Com
Question 186850: the sum of the digits of a two-digit number is 6. if the digits are reversed, the new number is three times the original tens digit. find the original number
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
"the sum of the digits of a two-digit number is 6" ---> t+u=6 ---> t=6-u
"if the digits are reversed, the new number is three times the original tens digit" 10u+t=3t
10u+t=3t
10u=2t
10u=2(6-u)
10u=12-2u
12u=12
u=1
t=6-u
t=6-1
t=5
Original Number: 51
RELATED QUESTIONS
The sum of the digits of a two digit counting number is 10. If the digits are reversed,... (answered by dabanfield)
The sum of a two-digit number is 6. If the digits are reversed, the new number is 18 less (answered by nyc_function)
A two-digit number is three less than seven times the sum of its digits. If the digits... (answered by 24HoursTutor.com)
A two Digit number is three less than seven times the sum of its digits if the digits are (answered by mananth)
A two digit number is three less than seven times the sum of its digits. if the digits... (answered by stanbon)
Please heeelp.
a two-digit number is three less than seven times the sum of its... (answered by josgarithmetic)
The sum of two digits of a two digit number is seven. If the digits are reversed, the new (answered by rapaljer)
the sum of the digits of a two-digit number is 14. if the digits are reversed the new... (answered by mananth)
URGENT HELP: The sum of the digits of a two-digit number is 9. If the digits are... (answered by fcabanski)