Mr. Customs is correcting the class’s math homework on customary units. Which of the following measurements is reasonable?

A. A pencil is 12 feet long.
B. The back porch is 12 inches wide.
C. The 3rd hole on the golf course is 123 miles long.
D. The distance from New York to California is 2,250 miles.

The reasonable measurement would be option D, "The distance from New York to California is 2,250 miles." A pencil can't be 12 feet long as it is much shorter than that, and the back porch being only 12 inches wide is also reasonable. However, the 3rd hole on the golf course being 123 miles long is extremely unlikely, as even a long golf course hole is typically only several hundred yards long.