variation 1if 13 kilogram fish costs 35 pesoshow much will 2 and 12 kilograms fish cost 2at

Variation 1)If 1/3 kilogram of fish costs 35 pesos,how much will 2 and 1/2 kilograms of fish cost? 2)At 40 for every 1/2 kg of galunggong,how much will 2 kg of this fish cost? 3)Ladies’ handkerchiefs are sold at 25 pesos each.What is the cost of 2 dozens of it?If men’s hankies are sold 2 pesos higher than the ladies’,how much is 1 and 1/2 dozens of it?