(a)[2]
Calculate the total number of strawberries altogether.
(b(i))[2]
Calculate the amount Dina pays for the book.
(b(ii))[2]
Calculate the price the toy originally cost.
(c)[2]
Find the interest rate for the second year.
(d(i))[2]
Find the mass after 5 days.
(d(ii))[3]
Find how many further whole days, after day 5, are needed for the mass to drop below $67$ g.