Lemon drinks are made by mixing concentrate with water.Sian has a lemon drink made by mixing 120 ml of concentrate with 180 ml of water.What percentage of her lemon drink is concentrate?(3 marks)

A milk vendor has 2 cans of milk. The first contains 35% water and the rest milk. The second contains 65% water. How much milk should he mix from each of the container so as to get 64 liter of milk. Such that the ratio of water to milk is 3:7?

L1, L2 and L3 are three solutions of alcohol and water, with the alcohol percentages (by volume) in them being 20%, c% and 2c%, respectively. If the alcohol percentage (by volume) in the mixture obtained by mixing 1 litre, 3 litres and 2 litres of L1, L2 and L3, respectively, is 22%, find the value of c

In the lab, Teresa has two solutions that contain alcohol and is mixing them with each other. Solution A is 2% alcohol and Solution B is 6% alcohol. She uses 600 milliliters of Solution A. How many milliliters of Solution B does she use, if the resulting mixture is a 3% alcohol solution?NumberofmillilitersofSolutionB:

There are three bottles of mixture of milk and water of ratios 3 : 5, 7 : 5 and 6 : 5. 16 litres of the first and 22 litres of the third bottles are taken. How much quantity from second bottle is to be taken so that final mixture from three bottles will be of ratios 16 : 15?Options22 litres24 litres10 litres20 litres

Jennifer drinks 50% of a bottle of juice and her friend Jane then drinks 40% of the remaining juice, leaving 450 ml of juice in the bottle. How much juice did the bottle originally contain?  Record your answer in mL with no units.