There are 100 pages. If a red sticker is used at a page, then the red sticker will be applied to every 6th page after this page; if a blue sticker is used at a page, then the blue sticker will be applied to every 8th page after this page. If two stickers are applied on the first page, then how many pages are blank without any stickers? Answer Choices: 65, 68, 70, 72, and 75. 17
答案：75.0