(a(i))[2]
Calculate the total membership-fee income the club received in 2023.
(a(ii))[1]
Calculate $2780$ as a percentage of the membership-fee total received by the club.
(a(iii))[2]
Calculate how many members there were in 2022.
(a(iv)(a))[2]
Find how many members there were altogether in 2024.
(a(iv)(b))[2]
Calculate the percentage rise in the total number of members from 2023 to 2024.
(b(i))[2]
Calculate the population after 3 years.
(b(ii))[2]
Find the number of whole years needed for the population to fall below 2000 for the first time.