A person can swim in still water at 12 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 10km? Choose the correct choice from the following answers
A) 1  B) 4  C) 5  D) 6  E) 7
M = 12   S = 2   US = 12 - 2= 
<gadget id="calculator">12 - 2</gadget>
<output>10</output>
10   D= 10   T = 10/10= 
<gadget id="calculator">10/10</gadget>
<output>1</output>
1 1nswer:1
<result>A</result>
A person can swim in still water at 12 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 10km?