A Boat Moves at 10

Multiple Choice

A boat moves at 10.0 m/s relative to the water.If the boat is in a river where the current is 2.00 m/s,how long does it take the boat to make a complete round trip of 1 000 m upstream followed by a 1 000-m trip downstream?

A) 200 s
B) 203 s
C) 208 s
D) 250 s