In 2003 the population of africa was about 7.7 million people which is 2million more than 3 times the population in 1950

The population of Africa in 1950 is 1.9.

Step-by-step explanation:

I used the problem 3p =5.7, divided then them both by 3, and got 1.9.

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).