Xcm^{3} of substance A which has density of 800kg/m^{3} is mixed with 100cm^{3} of water with a density of 1000kg/m^{3}. The density of the mixture is 960kg/m^{3}. Determine the value of X

Total mass = m_{1} + m_{2}m_{1} = 0.8 x x =0.8x gm_{2}= 1x100 = 100gtotal = (0.8x + 1000)gtotal volume = (x +100) = 0.96 x+100x = 4 0.16 = 25cm^{3 }

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