# Task No. 7.2

Condition:

In the city of Abracodabra, funtics, tubrics, and santics are in circulation. One funtic can be exchanged for 1 tubric or 1 santic, 1 tubric for 5 funtics, and 1 santic for 2 funtics. No other exchanges are allowed. Lunatic, initially having 1 funtic, made 24 exchanges and now has 40 funtics (and no other money). How many times did he exchange tubrics for funtics?
Answer: 9

Exact match of the answer -1 point

Solution by analogy with task No. 7.1.

## Condition:

On the planet Mon Calamari, dataries, flans, and pegats are in circulation. One datary can be exchanged for 1 flan or 1 pegat, 1 flan - for 2 dataries, and 1 pegat - for 4 dataries. No other exchanges are allowed. Meray, initially having 1 datary, made 20 exchanges, and now he has 25 dataries (and no other money). How many times did he exchange flans for dataries?

Answer: 3

Exact match of the answer -1 point

Solution by analogy with task No. 7.1.

## Condition:

In the machine, there are tokens, wrappers, and stamps. The machine can exchange 1 token for 1 wrapper or 1 stamp, 1 stamp for 2 tokens, or 1 wrapper for 3 tokens. No other exchanges can be made by the machine. Nезнайка, initially having 1 token, made 30 exchanges, and now he has 20 tokens (and no more wrappers or stamps). How many times did he exchange wrappers for tokens?

Answer: 4

Exact match of the answer -1 point

Solution by analogy with task No. 7.1.