Musa’s chief successfully installed a water system in his chiefdom using the force of gravity. He use a 3 km pipe with a thickness of 4.5mm.The inner diameter of the pipe is 30cm.Whene the 3 km pipe is full of water, the net mass of the water in it is 275 tonnes. What would you tell Musa’s chief about the quality of water (in terms of the level of purity of the water) supplying his community? Apply numerical reasoning clearly showing all steps. The mass to volume ratio should be the basis of your numerical reasoning.