19. Delon set his car's trip odometer to 0.0 miles before he traveled to visit a friend. He traveled at an average speed of 65 mph for 2.5 hours and then took a 30-minute break. Then he traveled at an average speed of 55 mph until his trip odometer read 245.0 miles. How many hours did Del on travel after his break?
Answer and Explanation
Your Answer is
Correct Answer is B
Explanation
He left after a break (245-2.5×65) ÷55=1.5hours, so choose B