Let x be the fifth number
⇔
⇔ 23.3 + x = 34
⇔ x = 10.7
Sorry, I think you forgot the photo of the problem
The prime factors of 6 are 2 and 3. So for a number to be divisible by 6,it must also be divisible by 2 and 3.Therefore,we need to check if a number is even and then check if the sum of the digits is divisible by 3