Jake and Robert have some money.

If Jake spends $16, the ratio of Jake’s money to Robert’s money becomes 1:5.

If Robert spends $16, the ratio of Jake’ money to Robert’s money becomes 1:2.

(a) How much money has Jake?

(b) How much money has Robert?

Notes to students:
If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12