The $50\%$ discount on Friday means the snowboard is now priced at $\$100 \times 0.5 = \$50$.
The $30\%$ reduction on Monday means the price is now $\$50 \times 0.7 = \$35$.
Therefore, the price of the snowboard after the Monday reduction is $\boxed{\$35}$.The answer is: 35
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
On Friday, a snowboard originally priced at $\$100$ was discounted $50\%$. On Monday, that sale price was reduced by $30\%$. In dollars, what is the price of the snowboard after the Monday reduction?

### Answer:
