Longitude and Latitude are the two ways that we measure where things are on Earth. Longitude lines run "up and down" on the earth, and the "middle" line (the Prime Meridian) runs through London, UK. Latitude lines run "across" the Earth and the middle line is the Equator. The equator is in the middle of the North and South Poles. Longitude and latitude can get confusing-which ones run which way, and what do they measure. To help myself, I think of latitude lines as the rungs of a ladder. While latitude and ladder are spelt differently, the fact that they are similar helps me remember that latitude lines run across the Earth, leaving longitude lines to run up and down.
Boiled down, here what you need to know about longitude and latitude:
Longitude- the lines that run north and south, and MEASURE east and west. Numbered 0-180 degrees.
Latitude- the lines that run east and west, and MEASURE north and south. Numbered 0-90 degrees.
Utah's western border is the 114th West longitude line
Take note that Utah's northern border is the 42nd/41st north latitude line
Utah's southern border is the 37th north latitude line
Utah's eastern border is the 109th West longitude line