Answer:
9/10y
Step-by-step explanation:
Somewhat inconclusive hope this helps!
[tex]\frac{9}{10} y[/tex]
[tex]\frac{2}{5}y +\frac{1}{2} y\\\\\frac{4}{10}y +\frac{5}{10} y\\\\\frac{9}{10} y[/tex]
