Question 13
A tank filled with 200 litres of water weighs 350 kg. The same tank filled with 150 litres of water weighs 315 kg. What is the weight of the empty tank?
Modelling note: use the stated weights and assume a constant weight per litre. These data are not realistic for ordinary water; treat them as the problem’s numerical model.
Modelling note: use the stated weights and assume a constant weight per litre. These data are not realistic for ordinary water; treat them as the problem’s numerical model.