QuestionApril 20, 2025

underline (3)16=underline ( )

underline (3)16=underline ( )
underline (3)16=underline ( )

Solution
3.2(245 votes)

Answer

x = 2, 5, 8 Explanation 1. Identify the missing digit The underline represents a missing digit in the number 316. To make it divisible by 3, the sum of its digits must be divisible by 3. 2. Calculate the sum of existing digits Sum of existing digits is 3 + 1 = 4. Add the missing digit x: 4 + x. 3. Find x such that 4 + x is divisible by 3 Solve 4 + x \equiv 0 \pmod{3}. Possible values for x are 2, 5, 8.

Explanation

1. Identify the missing digit<br /> The underline represents a missing digit in the number $316$. To make it divisible by $3$, the sum of its digits must be divisible by $3$.<br /><br />2. Calculate the sum of existing digits<br /> Sum of existing digits is $3 + 1 = 4$. Add the missing digit $x$: $4 + x$.<br /><br />3. Find $x$ such that $4 + x$ is divisible by $3$<br /> Solve $4 + x \equiv 0 \pmod{3}$. Possible values for $x$ are $2, 5, 8$.
Click to rate:

Similar Questions