John left home and drove at the rate of 45 mph for 2 hours. He stopped for lunch then drove for another 3 hours at the rate of 55 mph to reach his destination. How many miles did John drive? Choose the correct choice from the following answers
A) 235 miles . B) 245 miles . C) 255 miles . D) 265 miles . E) 275 miles .

Rationale: "the total distance d traveled by john is given by d = 45 * 2 + 3 * 55 = 255 miles . answer c"
Answer: C