The speed of a boat in still water is 60kmph and the speed of the current is 17kmph. Find the speed downstream and upstream?	Choose one:
A) 77,43 kmph	B) 80,80 kmph	C) 80,42 kmph	D) 80,40 kmph	E) 83,40 kmph
Speed downstream = 60 + 17= 
<gadget id="calculator">60 + 17</gadget>
<output>77</output>
77 kmph   Speed upstream= 60 - 17= 
<gadget id="calculator">60 - 17</gadget>
<output>43</output>
43 kmph.77,43 kmphnswer:77,43 kmph
<result>A</result>
The speed of a boat in still water is 60kmph and the speed of the current is 17kmph. Find the speed downstream and upstream?