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Using & Understanding Mathematics: A Quantitative Reasoning Approach 7th Edition

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

Book Edition7th Edition
Author(s)Bennett, Briggs
ISBN9780134705187
PublisherPearson Higher Education
SubjectMath
Section 5D: Graphics in the Media
Exercises 5D: Basic Skills & Concepts

Chapter 6, Section 5D, Exercises 5D: Basic Skills & Concepts, Exercise 21

Page 347

Here is a tip:

The death rate due to cancer is increasing since 1900 and the death rate due to cardiovascular starts decreasing by the end of 1960.

Explanation

  • Observe the graph.
    • The death rate due to cancer has been increasing since 1900.
    • The death rate due to cardiovascular starts decreasing by the end of 1960 and keeps on decreasing until 2015, and the death rate due to Pneumonia is also decreasing. 
    • The graph of tuberculosis disappeared after 1960. This means that the death rate due to tuberculosis is very small after 1960. 
  • If the lines of graph are extended beyond 2015, keeping the trend the same, then cancer will overtake cardiovascular as the leading cause of death as the death rate due to cancer is increasing and death rate due to tuberculosis is decreasing.
  • This implies that out of four diseases, cancer will be most responsible for deaths in 2050.

Verified Answer

Cancer; If the lines of the graph are extended, then it can be inferred from the graph that cancer will overtake cardiovascular as the leading cause of death by the year 2050.

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