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3r-2.4=17.4

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Answer to a math question 3r-2.4=17.4

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$3r=17.4+2.4$

$3r=19.8$

$r=\frac{19.8}{3}$

$r=\frac{198}{30}$

$r=\frac{33}{5}=6.6$

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