Answer:
.12
Step-by-step explanation:
set up two ratios the same way [tex]\frac{x}{y}[/tex]
[tex]\frac{4.8}{.09}[/tex] = [tex]\frac{6.4}{y}[/tex]
cross multiply and solve for y
4.8(y) = .09(6.4)
4.8y = .576
y = .12