9p/2=45/72 |•2 9p= 90/72 |:9 p=90/648=5/36 4/3p-11=13 4/3p=24 |•3/4 p=18

[latex]\frac{9p}{2} =\frac{45}{72} \\ \\9p*72=2*45 \\ \\648 p=90 \ \ /:648 \\ \\p=\frac{\not90^5}{\not648^{36}}\\ \\ p=\frac{5}{36}[/latex] [latex] \frac{4}{3} p-11=13 \\ \\ \frac{4}{3} p =13+11 \\ \\ \frac{4}{3} p = 24 \ \ /*\frac{3}{4}\\ \\p=\not24^{6}*\frac{3}{\not4^1}\\ \\p=6*3\\ \\p=18[/latex]