Natasha climbs up a hill, and descends along the same way she went up. It takes her 3 hours to reach the top and 2 hours to come back down. If her average speed along the whole journey is 3 kilometers per hour, what was her average speed (in kilometers per hour) while climbing to the top?  Choose the correct answer
A) 1.5 B) 2.5 C) 3.75 D) 5 E) 7.5
Lets assume distance to top as X, so the total distance travelled by Natasha = 2x   Total Time taken = 3+ 2= 
<gadget id="calculator">3+ 2</gadget>
<output>5</output>
5 Hrs   Avg speed= Total Dist/Total time taken = 2x/5   Avg speed of complete journey is given as = 3 Hrs   2 x/5 = 3   X = 7.5 miles   Avg speed while climbing = Distance/Time = 7.5/3= 
<gadget id="calculator">7.5/3</gadget>
<output>2.5</output>
2.5   Option 2.5
<result>B</result>
Natasha climbs up a hill, and descends along the same way she went up. It takes her 3 hours to reach the top and 2 hours to come back down. If her average speed along the whole journey is 3 kilometers per hour, what was her average speed (in kilometers per hour) while climbing to the top?