Kyle a used 10 cups of raisins to make 5 batches of oatmeal raisin cookies. how many cups of raisins are in 1 batch of cookies? explain and show you work .

What is the smallest integer n such that n\sqrt{2} is greater than 20

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.