A person can swim in still water at 16 km/h. If the speed of water 8 km/h, how many hours will the man take to swim back against the current for 12 km?	Choose the correct choice from the following answers:  A) 3  B) 1.5  C) 2.3  D) 1.8  E) 6
M = 16   S = 8   US = 16 - 8= 
<gadget id="calculator">16 - 8</gadget>
<output>8</output>
8   D= 12   T = 12/8= 
<gadget id="calculator">12/8</gadget>
<output>3/2 = around 1.5</output>
1.5   Answer: 1.5
<result>B</result>
A person can swim in still water at 16 km/h. If the speed of water 8 km/h, how many hours will the man take to swim back against the current for 12 km?