Answer:
a) 80 g of fish
b) 200 g of butter
Step-by-step explanation:
a) 6 people = 240 g of fish
2 people = 80 g of fish (we divided both sides by 3)
b) 6 people = 80 g of butter
3 people = 40 g of butter (divide both sides by 2)
15 people = 200 g of butter (multiply both sides by 5)