Surface Chemistry

The plot of $\log \frac{x}{m}$ ( $y$-axis) and $\log p$ ( $x$-axis) is a straight line inclined at an angle of $45^{\circ}$. When the intercept, $k$ is 10 and pressure is 0.3 atm the amount of solute in grams absorbed per gram of adsorbent ( $\log 3=0.4771$ )?