Answer:
Equation: [tex]11.1 = 3p + 3[/tex]
Answer: 2.7 million people
Step-by-step explanation:
We know that the population of the African country in 2011 is 3 million more than 3 times the population in 1950.
Since [tex]p[/tex] represents people in millions, we can make the equation
2011 population = 3(1950 population) + 3
The 2011 population was 11.1 and the 1950 population is unknown (p) so:
[tex]11.1 = 3p + 3[/tex] is our equation.
We can now solve for p by isolating it on one side of the equation.
Subtract 3 from both sides:
[tex]11.1 - 3 = 3p + 3 - 3\\\\8.1 = 3p[/tex]
Divide both sides by 3:
[tex]8.1 \div 3 = 3p \div 3\\\\2.7 = p[/tex]
Remember, p is in millions of people, so in 1950 the population of the African country was 2.7 million people.
Hope this helped!
