A scale 7 ft. 6 inches long is divided into 5 equal parts. Find the length of each part.	Pick.
A) 20 inches  B) 77 inches  C) 66 inches  D) 18 inches  E) 66 inches

Rationale: "explanation : total length of scale in inches = ( 7 * 12 ) + 6 = 90 inches length of each of the 5 parts = 90 / 5 = 18 inches answer : d"
Answer: D