A solution contain milk and water in the ratio of 5 : 7. When 70 liter milk and 50 liter water mixed into the solution the ratio becomes 7 : 9. Find the ratio of the initial quantity of milk to the final quantity of water.
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Let,initial quantity of milk and water are in the ratio x:y respectively.
=> x/y=5/7 & x+70/y+50=7/9
Solving these eqns
x=350 & y=490
Now, final quantity of milk becomes (350+70)ltrs i.e. 420 litre
Hence, ratio of initial and final quantity of water is 350/420 i.e. 5/6
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=> x/y=5/7 & x+70/y+50=7/9
Solving these eqns
x=350 & y=490
Now, final quantity of milk becomes (350+70)ltrs i.e. 420 litre
Hence, ratio of initial and final quantity of water is 350/420 i.e. 5/6
Hope it helps U to mark as brainliest....
Thank you!!!!!
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