Ameal cost $15. we gave the waiter $18 and told him that the difference was his tip. what percent of the cost of the meal was the tip we gave?

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.