Help? I just need to find the greatest common factor but im stuck on this one

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 to use order of operation in 20 divide by 4 multiply 5 = 1

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2