Answer
$$x=2$$
Work Step by Step
let u = uncooked rice in pounds, and c = cooked rice in pounds
$$\frac{\frac{4}{13}u}{1c}=\frac{x}{6.5c}$$ cross multiply: $$\frac{6.5\times4}{13}=x\times1$$
$$x= \frac{26}{13}= 2$$
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