Find the digit x that makes the three-digit number 7×5 divisible by 9.
Note
A number is divisible by 9 if the sum of its digits is a multiple of 9. Here 7 + x + 5 = 12 + x must equal 18, so x = 6.
Find the digit x that makes the three-digit number 7×5 divisible by 9.
A number is divisible by 9 if the sum of its digits is a multiple of 9. Here 7 + x + 5 = 12 + x must equal 18, so x = 6.