Question

plz tell this question

Answer 1

Here,
Let the coefficient be x.
So, Quantity of A = 2x
and, quantity of B = x.
Now,
2x +x = 60
x = 20.
So, quantity of A = 2*20 = 40
quantity of B = 20.
Now, Let amount of B added is y ltr.
So, As per the question,
40/(20+y) = 1/2
20+y = 80
y = 60.
Thus, Required quantity of B = 60 ltr.

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