3. Find the solution and round the answer to the nearest tenth: $35 \%$ of what number is 8 ? answer:

Step 1 ：Set up the equation: \(0.35 * x = 8\)

Step 2 ：Solve the equation for x by dividing both sides by 0.35: \(x = \frac{8}{0.35}\)

Step 3 ：Calculate the value of x: \(x = 22.857142857142858\)

Step 4 ：Round the answer to the nearest tenth: \(x = 22.9\)

Step 5 ：Final Answer: The solution to the problem is \(\boxed{22.9}\)