A certain number between 10 and 100 is 8 time the sum of its digit and if 45 subtracted from it the digit will be reversed.find the number.
Answers
Answered by
4
Answer:
72
Step-by-step explanation:
(7+2)*8 = 9*8 = 72
72 - 45 = 27
Answered by
14
Answer:
Answer:
Given :-
A certain number between 10 and 100 is 8 times the sum of its digits, and if 45 be subtracted from it, the digits will be reversed.
To Find :-
What is the number.
Solution :-
Let,
Digits at unit's place = x
Digits at ten's place = y
Then, the original number will be :
According to the question,
Again,
Now, by putting the value of x in the equation no 2 we get,
By doing cross multiplication we get,
Now, by putting the value of y in the equation no 2 we get,
Hence, the required original number is :
The original number is 72.
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