SOLUTION: The product of a two-digit nimber and its tens digit is 54. Fing the number if the sum of the digits when added to the number gives a result of 36.
Question 165706: The product of a two-digit nimber and its tens digit is 54. Fing the number if the sum of the digits when added to the number gives a result of 36. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Call the units digit
Call the tens digit
The number is
given:
(1)
(2)
from (2):
Substitute this in (1)
Multiply both sides by
Divide both sides by (just by looking at it) makes sense because it is (+)
(2)
(2)
The number is 27
