(a(i))[2]
Calculate the puzzle’s total number of pieces.
(a(ii))[1]
Find what percentage of all the pieces are edge pieces.
(a(iii))[2]
Work out the amount of time Anjum spent on the puzzle.
(b)[3]
Calculate the puzzle’s original price.
(c)[3]
Work out the puzzle’s length.
(d(i))[1]
Change $6610\text{ cm}^2$ to $\text{m}^2$.
(d(ii))[3]
Calculate the profit percentage.