Vani makes a fruit drink for a party. She uses lemonade, strawberry syrup and carbonated water carbonated water to make 6 litres of the fruit drink in the ratio 3: 1:4. She has enough lemonade and (i) Strawberry syrup is sold in 240-ml bottles. Find the number of bottles of strawberry syrup she has to buy. (ii) Using the amount of strawberry syrup bought lemonade and carbonated water Vani has to as calculated in part (i), find how much more buy in order to maintain the ratio of 3: 1:4.​