Question

The number of 2 digit positive integers which have at least 1 digit 6 as a digit is ?

A) 8
B) 9
C) 10
D) 18

Give step by step explanation?​

Answer 1

Answer:

option c, a

Step-by-step explanation:

one digit is 6

let another digit is x

let verify one by one

6+x=8

x=8-6

x=2

6+x=10

x=10-6

x=4

this two are positive integers

I hope it is useful to all, thank you