(a)[3]
Determine the area of the gardens and the area of the playground.
(b(i))[1]
Show that the grassland area equals $3788.4\text{ m}^2$.
(b(ii))[4]
Find the cost of the seed needed to cover the grassland.
(c)[3]
Work out how much they repay at the end of the 4 years. Give your answer correct to the nearest dollar.
(d)[3]
Work out which bottle offers the best value. You must show all your working.