(ii) The sum of the digits of a two-digit
number is 10. If 54 is added to the number,
the digits are reversed.
pls explain the ur answer
Answers
Answered by
2
Answer:
28
Step-by-step explanation:
let the digits X, 10-x
X is in ones place, 10-x is in tens place
54 is added to the number,the digits are reversed.
10(10-x)+ x+ 54= 10x +10-x
100 - 10x +X + 54= 9x + 10
144=18x
X = 144/18
X = 8
10-x = 2
required number = 28
Similar questions