Concept explainers
Research the population of the area served by your local Red Cross Blood Service office. Write the fraction of the local population who gave blood in the past two months.
The fraction of the local population who gave blood in the past two months, by contacting the local Red Cross Blood Service office.
Answer to Problem 1GA
Solution:
The fraction of the local population who gave blood in the past two months is
Explanation of Solution
Given information:
The instruction to find the fraction of the local population who gave blood in the past two months, by contacting the local Red Cross Blood Service office.
Explanation:
The total population of local area is
The number of people who donated blood in the past two months is
It can be represented as a fraction as,
Therefore, the fraction of the local population who gave blood in the past two months is
Want to see more full solutions like this?
Chapter 2 Solutions
DEVELOPMENTAL MATHEMATICS
- A marketing company surveys 1,200 people. They surveyed twice as many females as males. How many males and females did they survey?arrow_forwardThe amount of radioactive material in a sample halves every 14 hours. By what percent does the population change each hour?arrow_forwardwhat is the 95%CI upper and lower?arrow_forward
- Calculate the average job gains using the numbers you obtain, 36,239.arrow_forwardYou are to give a client one tablet labeled 0.15 mg and one labeled 0.025 mg. What is the total dosage of these two tablets?arrow_forwardYou are working with a neighborhood committee to apply for a grant to buy new playground equipment for alocal park. According to the data from the 2010 census, 27 households in the neighborhood have children and 18households do not have children. Which of the following represents the ratio of families without children to families with children? NOTE: this is a part to part ratio.arrow_forward
- A worker at a frozen yogurt store has 2 3/4 cups of frozen yogurt to give to customers as samples. The worker places 1/16 of a cup of frozen yogurt in each sample. How many samples can the worker give using all the frozen yogurt?arrow_forwardWhile at the Mall of America, Consumer Guide Report surveyed 500 people and asked them to list the number of credit cards currently in their wallet or purse. The results of this survey are given in the table below. Using the survey results given above, determine the average number of credit cards a person carries in their wallet or purse. (Give the answer that you calculated.)arrow_forwardbased on a study in 2001, there were 3.2 million people living with hiv in south and southeast asia and 1.3 million in north america. by 2009, those numbers had grown to 4.2 million and 2.3 million. find the amount of increase in number of people living with hiv and the percent increase for each region. what can you conclude?arrow_forward
- Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice UniversityAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
- Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt