In a two digit number. The unit digit is 5 less
than ten's digit. Sum of digits one eight of the
number. Find the number
Answers
Answered by
3
Step-by-step explanation:
Let the two digits be x and y
10x + y is the number
y = x - 5
-x + y = -5 -----------1
10x + y = 8-----------2
2 - 1
10x + y = 8
-x + y = -5
(+)(-) (+)
--------------------
11x = 13
x = 13/11
y = 13/11 + 5
number is 10*13/11 + 13/11 +5
Similar questions