# Math

Find the digit that makes blank 2440 divisible by 9 test help im behind allot help.

1. I think its 72440 that make it divisible can you chek if im right.

posted by JJ
2. What, you didn't try dividing 72440 by 9 to see whether it had no remainder? Geez!

If a number is divisible by 9, so is the sum of its digits. 2+4+4=10, 1+0=1, so the missing digit is 8.

82440 = 9*9160

posted by Steve

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