The speed of a boat in still water is 40kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?
Choose the correct choice from the following choices
A) 80,70 kmph
B) 80,40 kmph
C) 10,40 kmph
D) 80,80 kmph
E) 60,20 kmph
Speed downstream = 40 + 20= 
<gadget id="calculator">40 + 20</gadget>
<output>60</output>
60 kmph   Speed upstream= 40 - 20= 
<gadget id="calculator">40 - 20</gadget>
<output>20</output>
20 kmph   Answer: 60,20 kmph
<result>E</result>
The speed of a boat in still water is 40kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?