The scale on a map is 1in=500miles. How many inches apart are cities that have a distance of 3000 miles between them

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

I'll give brainliest if you answer right : )

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.