Maxine spent 15 hours doing her home work last week, this week she spent 18 hours doing homework she says that she spent 120% more time doing home work this week. is she correct?

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.