The difference between a two-digit number and a number produced by swapping its digits' places is 36. What is the difference between those number's two digits?
A. 3
B. 4
C. 9
D. Cannot be determined
Answer:B
The difference between a two-digit number and a number produced by swapping its digits' places is 36. What is the difference between those number's two digits?
A. 3 B. 4 C. 9 D. Cannot be determined
Explanation: Let x be the tenth digit and y be the unit digit.Then (10x + y) - (10y + x) = 36 is the result.36 = 9(x - y),4 = x - y