Final answer:
The price of a barrel of oil in the years 2015-2019 varied significantly depending on several factors such as global demand, geopolitical events, and economic conditions. The average price during this period was around $52 per barrel.
Step-by-step explanation:
The price of a barrel of oil in the years 2015-2019 varied significantly depending on several factors such as global demand, geopolitical events, and economic conditions. The average price during this period was around $52 per barrel.
However, it is important to note that oil prices are highly volatile and can fluctuate greatly within a short period of time.
For example, in 2015, the average price of a barrel of oil was around $49, but it dropped to as low as $26 in early 2016. By 2019, the price had recovered to around $61 per barrel.