Question

use the line graph shown. the graph shows annual cigarette consumption (in billions) for the united states for the years 1900 to 2010. estimate the number of cigarettes smoked in 1950. the number of cigarettes smoked in 1950 was approximately billion.

Explanation:

Step1: Identify 1940 and 1960 values

Assume 1940 ≈ 200 billion, 1960 ≈ 500 billion (from graph trend).

Step2: Calculate midpoint for 1950

1950 is midpoint of 1940-1960: $\frac{200 + 500}{2} = 350$.

Answer:

350