matematik
10-07-2007, 00:07
An African girl lives 6 km away from the nearest water source. Carrying two empty 5 litre canisters she can travel 4 km per hour on foot. When the canisters are filled with water she can walk only 2 km per hour. She needs 20 litres of water a day for drinking, cooking and washing.
How many hours does the girl spend fetching water instead of going to school?
How many hours does the girl spend fetching water instead of going to school?