Abel lives in Alphatown. Bubba lives 21 miles
east of Alphatown in Bravoburg. They both like to visit Carole, who lives
28 miles south of Bravoburg in Charlieville.
Of course, Abel takes Highway 30 and Bubba takes Highway 20.
You live between Alphatown and Bravoburg on Highway 10. You also like to visit Carole in Charlieville. You have discovered that it is the same distance whether you travel through Alphatown or Bravoburg.
How far east of Alphatown is your house?