(i)[3]
Find the amount of salt produced in the $12^{\text{th}}$ week after the change.
(ii)[2]
Find the total amount of salt obtained during the first $12$ weeks after the change.
Mathematics 9709 · AS & A Level · Series
Series — practice question
A firm that made salt from sea water switched to a different process. Each week, the quantity of salt produced rose by $2\%$ of the amount produced in the previous week. It is stated that during the first week after the change the firm produced $8000\text{ kg}$ of salt.