A number consists of two digit whose sum is 5 . when the digits are reversed, the number becomes greater by mine.find the number
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Answered by
0
Hi,
What do you mean by Mine? is it 9?
If it is 9, the answer is 32
What do you mean by Mine? is it 9?
If it is 9, the answer is 32
Answered by
3
Let x and y be the digits.
10x+y
x+y=5
y=5-x
10y+x = 10x+y+9
50-10x+x=10x+5-x+9
36-9x=9x
18x=36
x=2
y=3
The number is 23
50-100x+x = 14
99x
10x+y
x+y=5
y=5-x
10y+x = 10x+y+9
50-10x+x=10x+5-x+9
36-9x=9x
18x=36
x=2
y=3
The number is 23
50-100x+x = 14
99x
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