Eve can swim 3 m/s in still water. The river current is 1 m/s. The river is 200 m wide. Eve wishes to swim across the river, 20 m upstream, to meet Adam (who has safely landed his plane in Paradise) underneath the apple tree.

a) In what direction should Eve swim (relative to the riverbank)

Question

Eve can swim 3 m/s in still water. The river current is 1 m/s. The river is 200 m wide. Eve wishes to swim across the river, 20 m upstream, to meet Adam (who has safely landed his plane in Paradise) underneath the apple tree. 

a) In what direction should Eve swim (relative to the riverbank)

anonymous · Answer

The answer is 64.9 degrees upstream, but I'm getting 76.3! Please help.