In a mixture of 28 litres of a solution the ratio of milk and water is 5:2.Write the equation between the mixture and milk.plot it on the graph and find the quantity of milk.

let the amount milk is x and amount of water is y .
Now from above we know that x + y = 28 litre ........................1
x 0 28 14 10
y 28 0 14 18

and we also know their ratio that is x/y = 5:2  or 2x = 5y ................2
x 0 5 10
y 0 2 4


Solving the both equation by plotting the graph ,  we will get the amount of water and milk .
Value of x and y is 20 and 8 .



Hope this would have cleared your doubt .

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