Question

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Answer 1

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Explanation:

Given that :

Total number of marbles = 54

All marbles are red and blue

Fraction of blue = 1/3

Hence,

Number of Blue = 1/3 * 54 = 18

Hence,

Number of red = 54 - 18 = 36

Ratio of blue to total ;

18 : 54 = 1 : 3

Ratio of Red to total;

36 :54 = 2 : 3

Ratio of Red to blue :

36 : 18 = 2 : 1

Number of red = 36