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## Homework Statement

In a mixture of 100 gm , 2 liquids are mixed in ratio 1:3 of their masses . If densities of liquids are 1.25gm/cc and 0.6gm/cc , find the density of mixture.

## Homework Equations

D = mass/Volume

## The Attempt at a Solution

mass = 100g

let m

_{1}= x , m

_{2}= 3x

d

_{1}= 1.25 gm/cc , d

_{2}= 0.6gm/cc

mass = m

_{1}+m

_{2}

100= 4x

100/4 = x

m

_{1}= 25, m

_{2}= 75

V

_{1}= 25/125*100 = 20cm

^{3}

V

_{2}= 75/6*10 = 125cm

^{3}

d = mass/volume

= 100/145 = 20/29 = 0.6gm/cc

is that ^^ correct?