(a)[1]
Cecil purchased a camera for $120$ and, after two years, sold it for $90$. Calculate the percentage loss.
(b)[1]
Some money is divided between Miriam and Nina in the ratio $2:3$. What percentage of the total amount shared does Miriam get?
(c)[1]
Given that $a:b=5:6$ and $b:c=3:8$, determine $a:b:c$.