If julie rows 32 km upstream and 72 km down steam taking 4 hours each, then the speed of the stream Choose the correct choice from the following choices.
A) 1.5kmph	B) 0.5kmph	C) 0.4kmph	D) 1.6kmph	E) 2.5kmph
Speed upstream = 32/4= 
<gadget id="calculator">32/4</gadget>
<output>8</output>
8 kmph   Speed down stream= 72/8= 
<gadget id="calculator">72/8</gadget>
<output>9</output>
9 kmph   Speed of stream= ½ (9-8) = 0.5kmph   ANSWER:0.5kmph
<result>B</result>
If julie rows 32 km upstream and 72 km down steam taking 4 hours each, then the speed of the stream