
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
**Martin's Coin Collection**

Martin organizes his coin collection from different regions and by the decade in which they were minted. The values of coins from different regions he collected are: USA and Mexico, $8$ cents each; Canada $5$ cents each; and Brazil $7$ cents each. (USA and Canada are North American countries and Mexico and Brazil are in Central and South America, respectively.) He has the following number of coins from different decades:

- **1950s**: USA: 5, Canada: 9, Mexico: 7, Brazil: 3
- **1960s**: USA: 11, Canada: 6, Mexico: 4, Brazil: 8
- **1970s**: USA: 9, Canada: 10, Mexico: 14, Brazil: 11
- **1980s**: USA: 8, Canada: 12, Mexico: 20, Brazil: 14

In dollars and cents, how much did his Central and South American coins minted before the $80\text{'s}$ cost him?

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