percents, decimals, and fractions - gischsource 110...percents, decimals, and fractions chapter 3...
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a.
b.
c.
d.
e.
f.
Express each of the following in three forms: as a reduced fraction, as a decimal, and as a percentage.
Percents, Decimals, and Fractions
Chapter 3 Page 1
a.
b.
A=$93,000 is the median price of a single-family home in Ankeny, Iowa in 2010 and B=$380,000 is the median price of a single-family home in Juno, Alaska in 2010.
c.
Compare the following numbers by: finding the ration of A to B, finding the ratio of B to A, and complete the sentence “A is _______ percent of B.”
Ratio and Percent
Chapter 3 Page 2
Find the absolute change and relative change if the population in the United States increased from 249 million in 1990 to 308 million in 2010.
Absolute and Relative Change
Chapter 3 Page 3
Find the absolute difference and relative difference if the cost of a 2012 Toyota Corolla is $18,500 compared to the 2012 Nissan Maxima which costs $32,000.
Absolute and Relative Difference
Chapter 3 Page 4
Your savings account increased from 0.5% to 1.3%. Describe the absolute change in terms of percentage points and as a relative change.
Percent Change
Chapter 3 Page 5
The number of housing foreclosures in 2008 was 3.98 million, up 81% over 2007. How many foreclosures were there in 2007?
Solving with Percents
Chapter 3 Page 6
a.
b.
Do the following operations without a calculator. Express your answer in scientific notation and round your answer to one decimal place.
Arithmetic with Scientific Notation
Chapter 3 Page 7
Americans consume an estimated 7.6 billion pounds of candy (excluding chewing gum) per year. Express the quantity in terms of pounds per person per month. (Use a population 310 million).
Putting Numbers in Perspective
Chapter 3 Page 8