Question

if 31z5 is a multiple of 9,where z is a digit,what is the value of z?​

Answer 1

Answer:

z = 0 or 9 ................

Answer 2

Answer:

0,9

Step-by-step explanation:

because 31z5 is a multiple of 9.

and the no. whose sum is divisible of 9 is a multiple of 9