Core stretch Yellow, blue and red balls are in the ratio $x:5:3$. The probability of drawing yello

Question

Core stretch Yellow, blue and red balls are in the ratio $x:5:3$. The probability of drawing yellow is $\frac{3}{7}$. One ball is selected at random. Find $x$.

Accepted Answer

$x=6$.

An unknown part in a colour ratio

An unknown part in a colour ratio

Solution:

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