Suppose Marcus eats nothing but burritos for dinner. He buys 30 burritos each month. During the last couple of weeks, Marcus noticed an decrease in the price of burritos. The price of burritos rose from $6.00 per burrito last month to $5.00 per burrito this month. Assume that Marcus has a fixed income of $180 that he can spend on burritos. How many burritos can Marcus afford to buy at the new price of $5.00?