Tim has 12 books and 27 magazines in his libary. He bought several books at a yard sale over the weekend. He now has 58 books in his libary. How many book did he buy at a yard sale

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic. org