Sierra has 11.5 yards of yarn. She uses a certain amount for a project, leaving 5.25 yards of yarn. The equation 11.5 - x = 5.25 represents this situation, where x is the amount of yarn Sierra used for her project.

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid