Question
A number consists of two digits.THe digit in tens place is twice that in units place.if 18 is subtracted from the number. The digits are reversed.find the number.
Answers
Steve
If the number is ab, then
a = 2b
10a+b - 18 = 10b+a
a = 2b
10a+b - 18 = 10b+a
kushi
42