Please explain how can I get the answer for the questions below.

In a closed economy, Ann and Bruce shall make their production and consumption decisions together. Ann can produce either 6 kg Fish or 4.2 kg Mushroom per day. Bruce can produce either 6 kg Fish or 16.8 kg Mushroom per day. Suppose they decide to consume the two goods at a ratio of 1:1. Ann and Bruce will consume a total of [Answer] kg Fish per day.

(In decimal numbers, with two decimal places, please.) answer: 8.84

In a closed economy, Ann and Bruce shall make their production and consumption decisions together. Ann can produce either 6 kg Fish or 4.2 kg Mushroom per day. Bruce can produce either 6 kg Fish or 16.8 kg Mushroom per day. Suppose now they decide to consume Fish and Mushroom at a ratio of 2:1. Ann and Bruce will consume[Answer]kg Fish per day.

(In decimal numbers, with two decimal places, please.)

answer: 10.18