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Sonyalee77
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C.0.81 thats your answer

helder_edwin
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\[ \large y=kx \]

helder_edwin
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u know that for x=8.4 then y=2.52 then
\[ \large 2.52=8.4k \]
then
\[ \large k=\frac{2.52}{8.4}=0.3 \]

helder_edwin
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so when x=2.7
\[ \large y=kx=(0.3)(2.7)=0.81 \]

helder_edwin
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got it @toristar9504 ??