Math Homework
Quiz 3 : Proportion, per Capita Name:
Show work for full credit
8 x
1.) Solve the proportion for x.
15 6
2.) If 30.6 out of every 100 pregnant women in Indiana deliver their babies by C-Section, how
many pregnant women out of 83,900 would be expected to deliver by C-Section?
3.) What do the words ‘per capita’ mean?
4.)According to the CDC there were 597,689 deaths in the US in 2010 attributed to heart
disease.
3. Given that the US population in 2010 was close to 308 million, what was the death rate
per capita for heart disease in the US for 2010?
b. Multiply the rate from 4a by 100,000 and explain the meaning of this new number by
using it in a sentence.
c. In Japan, there were 94,848 deaths attributed to heart disease and the population of
Japan is about 128 million. If the United States were able to reduce its number of deaths
to be proportional to that ofJapan, about how many deaths due to heart disease would be
expected?
