Do you think it is true that any solution point of the equation y=1/2x+1 is a point on the line?

Need on this geometry question. explain how you did it.

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.

Yo need asap pls ! markin da brainiest too !