
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Alice and her Canadian cousin, Ben, are at a bookstore in Germany that accepts both euros and Canadian dollars. They want to buy a set of books, but neither of them has enough money. If the set of books costs 15 euros and Ben has a Canadian twenty-dollar bill, how many euros does Alice need to contribute to the cost of the books if 1 euro = 1.50 CAD?

Present the answer in LaTex format: \boxed{Your answer}
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