Question:
Ivana has $189 and Janie has $93 at the end of January. Starting from February, Ivana saves $4 every week and Janie saves $10 every week.
(a) Janie wants to have the same total amount of money as Ivana.
(i) How many weeks does Janie need to save so that she will have the same total amount of money as Ivana?
(ii) What is this total amount of money Janie will have?
(b) Janie wants to have $120 more than Ivana. How much money will Ivana have?