Answer:
Save $75 every two weeks.
Step-by-step explanation:
If he saves up $75 every two weeks he could buy a new snowboard in only 2 months, that´ll mean that by november he will be able to buy his new Snowboard and be ready for winter activities. This way he has $25 dollars left after paing his bills to buy things that he wants, or snacks, or go to the movies.