
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
Given Alice's weekly allowance was $B$ dollars, the cost of the book was $25\%$ of the difference between $B$ and the magazine cost, and the cost of the magazine was $10\%$ of the difference between $B$ and the book's cost, calculate the fraction of $B$ that Alice spent on the book and magazine combined.

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