Question

9×blue fish -11×red fish=49. 13×blue fish-12×red fish=63 then what is blue fish and red fish​

Answer 1

Step-by-step explanation:

Given that:-

9×blue fish-11×red fish=49..........(1)×13

13×blue fish -12×red fish=63..…..(2)×9

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117 blue fish-143red fish= 637

117blue fish-108redfish= 567

(-). (+). (-)

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-35 red fish=70

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=>-35 red fish=70

=>red fish=70/-35=-2

Therefore,

red fish = -2

From (1)

9blue fish -11(-2)=49

=>9 blue fish- (-22) =49

=>9 blue fish +22 = 49

=>9 blue fish=49-22

=>9 blue fish = 27

=>blue fish = 27/9

=>blue fish =3

Answer 2

Answer:

both the fish are a kind of fish