Pass : Fail = 7 : 3, so Pass = \\(7k\\), Fail = \\(3k\\), Total = \\(10k\\).<br><br>\\(\begin{aligned}<br>\frac{7k + 24}{10k} &= 0.85<br>\\<br>7k + 24 &= 8.5k<br>\\<br>24 &= 1.5k<br>\\<br>k &= 16<br>\\<br>\text{Total} &= 10 \times 16 = 160<br>\end{aligned}\\)<br><br>Final Answer: 160