2 (a) Cecil bought a camera for $120. After two years he sold it for $90. Calculate the percentage loss. (b) Some money is shared between Miriam and Nina in the ratio 2 : 3. What percentage of the total money shared does Miriam receive? (c) Given that a : b = 5 : 6 and b : c = 3 : 8 find a : b : c.