2. The art club designed and made banners of the school colors, blue and white, for their fund-raiser. Each banner required ¼ yard of blue material and ⅜ yard of white material. The club originally planned to purchase exactly enough material to make 500 banners, but found the material to be cheaper if purchased in full bolts__the blue material in 10 yard bolts and the white material in 12 yard bolts, How many extra banners was the club able to make if they purchased enough full bolts to make at least 500 banners ?