
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
Sophie has collected one of each of the first 25 U.S. state quarters based on the order in which the states joined the union. The following graph indicates the number of states that joined the union in each decade. Determine the fraction of Sophie's 25 coins that represent states that joined the union during the decade 1790 through 1799. Express your answer as a common fraction.

[asy]size(200);
label("1790",(6,0),S);
label("1810",(12,-12),S);
label("1830",(18,0),S);
label("1850",(24,-12),S);
label("1870",(30,0),S);
label("1890",(36,-12),S);
label("1910",(42,0),S);
label("1960",(48,-12),S);
label("to",(6,-4),S);
label("to",(12,-16),S);
label("to",(18,-4),S);
label("to",(24,-16),S);
label("to",(30,-4),S);
label("to",(36,-16),S);
label("to",(42,-4),S);
label("to",(48,-16),S);
label("1799",(6,-8),S);
label("1809",(12,-20),S);
label("1829",(18,-8),S);
label("1849",(24,-20),S);
label("1869",(30,-8),S);
label("1889",(36,-20),S);
label("1909",(42,-8),S);
label("1959",(48,-20),S);
draw((0,0)--(50,0));
draw((0,2)--(50,2));
draw((0,4)--(50,4));
draw((0,6)--(50,6));
draw((0,8)--(50,8));
draw((0,10)--(50,10));
draw((0,12)--(50,12));
draw((0,14)--(50,14));
draw((0,16)--(50,16));
draw((0,18)--(50,18));
fill((4,0)--(8,0)--(8,10)--(4,10)--cycle,gray(0.8));
fill((10,0)--(14,0)--(14,7)--(10,7)--cycle,gray(0.8));
fill((16,0)--(20,0)--(20,8)--(16,8)--cycle,gray(0.8));
fill((22,0)--(26,0)--(26,5)--(22,5)--cycle,gray(0.8));
fill((28,0)--(32,0)--(32,6)--(28,6)--cycle,gray(0.8));
fill((34,0)--(38,0)--(38,4)--(34,4)--cycle,gray(0.8));
fill((40,0)--(44,0)--(44,3)--(40,3)--cycle,gray(0.8));
[/asy]

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