Answer:
The amount of ounce used for paint is [tex]\frac{9}{15} ounce[/tex]
Step-by-step explanation:
used amount for water is [tex]\frac{2}{3}[/tex] ounce.
used amount for sky is [tex]\frac{3}{5}[/tex] ounce.
thus, the total amount used is [tex]\frac{2}{3}[/tex] + [tex]\frac{3}{5}[/tex]
= [tex]\frac{19}{15}[/tex]
Thus the total unused amount is 2 - [tex]\frac{19}{15}[/tex] = [tex]\frac{11}{15}[/tex] .
But the remaining amount is [tex]\frac{2}{15}[/tex].
Thus used amount for flag is [tex]\frac{11}{15}[/tex] - [tex]\frac{2}{15}[/tex]
= [tex]\frac{9}{15}[/tex]