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Cost equation: Cost = $2.05 + $0.05x, where x is the number of pages
If a report costs $5.05, we can set up the equation:
$5.05 = $2.05 + $0.05x
Subtract $2.05 from both sides:
$3.00 = $0.05x
Divide both sides by $0.05:
x = 60
Therefore, the report is 60 pages long.