Question

A can contains a mixture of two liquids A and B is the ratio 7:5. When 9 litres of mixture are
drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many litres of
liquid A was contained by the can initially?
20
A) 10
D) 25
c) 21
B) 20​

Answer 1

Answer:

20 .....................

Answer 2

Step-by-step explanation:

Answer:

$x - 3 = 0$

$x = 0 + 3$

$x = 3$

$now \: put \: the \: value \: of \: x = 3$

$therefore$

$(x2 - 5x +6 ) = (2 \times 3) - (5 \times 3) + 6$

$= 6 - 15 + 6$

$= 12 - 15$

$= - 3 \: answer$

$i \: have \: given \: the \: correct \: answer$

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