Ratio of acid and water

In a mixture of 60 L the ratio of acid and water is 2 : 1. If the ratio of acid and water is to be 1 : 2 then the amount of water to be added:

Final Answer:

W =  60 l

Step-by-step explanation:

V=60 l r1=2:1=2 r2=1:2=0.5  x:(Vx)=r1=x:y  x=r1 (Vx) x=2 (60x)  3x=120  x=3120=40  x=40  y=Vx=6040=20 l  x:(W+y)=r2  x=r2 (W+y) 40=0.5 (W+20)  0.5W=30  W=0.530=60  W=60=60 l



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algebrabasic operations and conceptsUnits of physical quantitiesthemes, topicsGrade of the word problem

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