Answer:
[tex]\frac{3}{4}[/tex]
Step-by-step explanation:
[tex]\frac{3}{5} = \frac{36}{x}[/tex]
3x = 36 x 5
3x = 180
x = 60
Michael has 60 marbles.
Nick recieves 9 more marbles so he has 36 + 9 = 45 marbles
The new ratio will be:
[tex]\frac{45}{60}[/tex] = [tex]\frac{3}{4}[/tex]