Juice concentrate and water must be mixed in a ratio of [[$ 1: 4 $]]. How much juice concentrate and water are needed, when

a) [[$ 1 $]] litre of finished juice is needed?

Take a picture of your solution and return it to the submission folder.

Answer: l of concentrate and l of water are needed.

b) [[$ 12 $]] litres of finished juice are needed?

Take a picture of your solution and return it to the submission folder.

Answer: l of concentrate and l of water are needed.