if 31z5 is a multiple of 9 where Z is a digit what is the value of z
Answers
Answered by
7
0 and 9 is the right answer.
Answered by
23
3+1+z+5
=9+z
9+z=9
z=9-9
z=0
=9+z
9+z=9
z=9-9
z=0
Similar questions