Answer:
7
Step-by-step explanation:
According to the Question,
Given, There is a 2-digit number, the unit digit is 3 & The sum of its tens digit, and the unit digit is 10.
Suppose The Number is XY .
Now, We Know X+Y=10 & Y=3 .
So, X+3=10 ⇔ 7 is the number on Tens Place.
And, the Number is 73 .
