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Answer»

Solution

Expression : ? % of (767 ÷ 6) = 7.889²

=> $x \%$ of $\frac{768}{6} = (8)^2$

=> $\frac{x}{100} \times 128 = 64$

=> $x = 64 \times \frac{100}{128}$

=> $x = \frac{100}{2} = 50$



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