Boat 1 Goes Directly Across a Stream a Distance L

Multiple Choice

Boat 1 goes directly across a stream a distance L and back taking a time t₁. Boat 2 goes down stream a distance L and back taking a time t₂. If both boats had the same speed relative to the water, which of the following statements is true?

A) t₂ > t₁
B) t₂ < t₁
C) t₂ = t₁
D) t₂ = 2t₁
E) t₂ = 0.5t₁