Problema Solution
the sun of two digit nimber is 6. The number with the digits interchange is 3 times the tens digit of the original number. Find the original number
Answer provided by our tutors
Let 'x' and 'y' represent the digits of the number, x the tens and y the units.
The number is: 10x + y
The number with the interchanged digits is: 10y + x
10y + x = 3*x
x + y = 6
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click here to see the equation solved for x and y
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x = 5
y = 1
The original number is 51.