Question

Replace M by the smallest whole number to make the resulting number divisible by 9.
76M 91

Answer 1

if the sum of all number is divisible by 9 then this number will be divisible by 9

76M91

=7+6+9+1+M

=23+M

=23+4(take M=4)

=27 (which is divisible by 9)

Step-by-step explanation:

answer is 4