In Norway the oil and gas sector produces 23% of GDP. In the UK the financial services sector produces 10% of GDP. In Canada, a sector like Professional, scientific and technical services produces 5% of GDP.
ibuprofen will exit your system in 12-24 hours, depending on your body. the dosage doesn't effect time in your system, it just effects the potency of the drug during its duration i your body. so it may only take 12 hours to get out of your body, and the 600mg is just telling you how strong it will be in your body.
This treatment can be performed within 60 minutes of ingestion of Ibuprofen. Below 100 mg/kg, the toxic effects of Ibuprofen are less likely. But doses above 400 mg/kg are considered as overdose and can result into any of the above consequences.