Let X Represent the Unknown, and Write an Equation for the Sentence

Multiple Choice

Let x represent the unknown, and write an equation for the sentence. Do not solve.
-At a garage sale, the most expensive item was marked $23.00 more than the cheapest item. The sum of the two items was $26.70.

A) x + 23.00 = 26.70
B) x(x + 23.00) = 26.70
C) 26.70 - x = 23.00
D) x + (x + 23.00) = 26.70