A number is 3times the sum of its digits.Find the number?
Answers
Answered by
1
Answer:
27
Step-by-step explanation:
Let the number be 10x+y.
So 10x+y = 3(x+y)
7x=2y
If x = 2, y = 7, then 27=3(2+7) = 27. Correct.
The number is 27.
ihope it helps u.
Answered by
5
Answer:
27
Given:
A number is 3 times the sum of its digit
To find:
The numbers
Solution:-
Let the tens digits be 10x and unit digit be y
Therefore number=10x+y
Now according to the question
10x+y=3(x+y)
10x+y=3x+3y
10x-3x=3y-y
7x=2y
•x=7 and y=2
----------
The number=3(x+y)
=3(7+2)
=3(9)
=27
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