Question

An "Am I correct?" question.
Giving out a metal to whom answers the fastest, and correctly.

A motorist travels for 2 hrs at 30 miles per hr and then covers the same distance in 3 hrs. What was his average rate (in miles per hr) for the entire trip?

(A) 24
(B) 25
(C) 26
(D) 27
(E) None of these

I got A, but I'm not sure i did the problem correctly.

My work:

60 60 120
-- + --- = --- = 24 mph
2 3 5

Answer 1

nope its not

Answer 2

remember common denominator

Answer 3

Oh right.... Thanks ^^

Answer 4

Then it's (E) ?