Question

Write the 2-digit number that matches the club

My number has a tens digit that is 8 more
the ones digit. Zero is not one of my digit
matches the clues.​

Answer 1

91

Explanation:

for a 2-digit number the tens digit (x) is 8 more than the ones digit (y) and no number is zero

=> x = y+8

x < 10

y > 0

y = 1 and x = 1 + 8 =9

the 2-digit is 91