Acid and water are mixed in the ratio 4:3 ti make a liquid. On adding 10 more litres of acid the ratio changed to3:1.how many litres of acid and water does the liquid contain now?

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Solution

We get x=3y-10
so by substituting this for x in the equation 3x=4y
3×(3y-10)=4y
multiply 3 into the bracket we get 3×3y-3×10=4y
that is 9y-30=4y
thats how we get 9y in the equation

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Acid and water are mixed in the ratio 4:3 ti make a liquid. On adding 10 more litres of acid the ratio changed to3:1.how many litres of acid and water does the liquid contain now?

We get x=3y-10 so by substituting this for x in the equation 3x=4y 3×(3y-10)=4y multiply 3 into the bracket we get 3×3y-3×10=4y that is 9y-30=4y thats how we get 9y in the equation

We get x=3y-10
so by substituting this for x in the equation 3x=4y
3×(3y-10)=4y
multiply 3 into the bracket we get 3×3y-3×10=4y
that is 9y-30=4y
thats how we get 9y in the equation