SOLUTION: it says write the missing digit to make each number divisible by 9 what do i do 88,blank,12 what do i do

Question 717353: it says write the missing digit to make each number divisible by 9 what do i do
88,blank,12
what do i do
Found 2 solutions by jsmallt9, MathLover1:
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
A number is divisible by 9 if the sum of the digits is divisible by 9. If we call the missing digit "n" then the sum of the digits, 8+8+n+1+2, must add up to a number which is divisible by 9.
Simplifying 8+8+n+1+2 we get 19+n. "n" must be a valid digit, 0 through 9. Which one must it be if 19+n has to be divisible by 9? There's only one possible answer. I'll leave it up to you to finish. Just try different digits for "n" until 19+n is divisible by 9.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Numbers are divisible by if the of all the individual digits is evenly divisible by .

in the of all the individual digits is first number we can add to to get a number divisible by is because and is divisible by

so, your number is
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