Marc had 74 boxes of candy to sell. He sold $50 \%$ of the boxes. How many did he sell? Marc sold $\square$ boxes of candy. (Type an integer or a decimal.)

Step 1 ：Marc had 74 boxes of candy to sell.

Step 2 ：He sold 50% of the boxes.

Step 3 ：To find out how many boxes he sold, we calculate 50% of 74.

Step 4 ：This gives us \(74 \times 0.50 = 37\).

Step 5 ：So, Marc sold 37 boxes of candy.

Step 6 ：Final Answer: Marc sold \(\boxed{37}\) boxes of candy.