The data represents the population for the Midwest from the 2011 US Census. Use the table to answer 12-13.
0-14 yr olds
13,180,000
15-64 yr olds
44,209,000
65 & over yr olds
8,715,000
Total
66,104,000
12. a. Calculate the ratio of under-15-year-olds to the total population of the Midwest. Write as a decimal rounded
to 2 decimal places.
b. What kind of ratio is this: a part to part or part to whole?
c. Use the ratio in a sentence to explain its meaning.
13. a. Calculate the ratio of age 65-and-over to the total population of the Midwest. Write as a decimal rounded to 2
decimal places.
b. What kind of ratio is this: a part to part or part to whole?
c. Use the ratio in a sentence to explain its meaning.
Math 123 HW & Project Packet
5
Summer 2021