(a(i))[1]
Find the mass of cheese as a percentage of the mass of mushrooms.
(a(ii))[2]
Find the mass of butter needed to make a pasta bake for 18 people.
(a(iii))[3]
Calculate the greatest number of people she can serve with pasta bake.
(b(i))[2]
Work out the 2018 cost.
(b(ii))[3]
Work out the total percentage increase in the cost of a packet from 2018 to 2020.
(c)[3]
Find the largest number of these packets that can fit along this shelf. You must show all your working.