harpazo
Full Member
- Joined
- Jan 31, 2013
- Messages
- 891
The sum of the digits of a two-digit number is 11. If we interchange the digits then the new number formed is 45 less than the original. Find the original number.
Solution:
Let x and y be the two digits.
x + y = 11
y + x = (x + y) - 45
Is this the correct set up?
Solution:
Let x and y be the two digits.
x + y = 11
y + x = (x + y) - 45
Is this the correct set up?