To solve the equation \( \frac{30}{k} + 1 = 4 \), we can start by isolating the term with \( k \).
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Subtract 1 from both sides: \[ \frac{30}{k} = 4 - 1 \] \[ \frac{30}{k} = 3 \]
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Now, multiply both sides by \( k \): \[ 30 = 3k \]
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Next, divide both sides by 3: \[ k = \frac{30}{3} \] \[ k = 10 \]
So, the solution for \( k \) is \( 10 \).
The correct answer is: 10