do now 2. where do you encounter percentages? 4. convert 0.9, …€¦ · cp 2.7 percent...
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CP 2.7 Percent Change.notebook
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September 23, 2013
"Do Now"
Answer these questions to the best of your ability:
1. What is a percent?
2. Where do you encounter percentages?
3. Convert 13%, 5%, 140%, and 0.04% to decimals.
4. Convert 0.9, 7.5, 0.13, and 0.005 to percentages.
CP 2.7 Percent Change.notebook
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September 23, 2013
Ms. Stalvey's favorite treat is Chips Ahoy Reduced Fat cookies(Her dad got her hooked!)
They claim one serving (3 cookies) has 25% less fat than the original Chips Ahoy. How did they calculate that claim?
Is their claim correct?
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September 23, 2013
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September 23, 2013
Ms. Stalvey also loves M&M's.Which is "healthier": Milk Chocolate M&M's or Peanut M&M's?
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Unit 2: Solving Equations2.7 Percents
NameAlgebra 1/Block
Date
Percent of Change amount of change
original=Percent of Change
amount of change
original
POC
100=
Original Original(POC) = New
(Finding using a ratio)
(Finding usingan equation)
Depends upon whether a percent increase or
decrease
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Determine whether the percent of change in an
increase or decrease, then find
the percent.
1) original: 66new: 30
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2) original: 9.8 new: 12.1
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September 23, 2013
Find the percent change in the number of downloads from 2004 to 2006 and
from 2006 to 2008.
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September 23, 2013
Clemson University raised its tuition 3% for in-state students.The new 2013-2014 tuition rate is $13,054 for in-state students.What was the tuition prior to the tuition increase?
(Source: The State Newspaper - June 25, 2013)
Clemson's tuition and fees cost only $10,608 in 2008-2009.What is the percent increase to the new tuition and fees rate?(Why do you think tuition and fees have risen?)
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September 23, 2013
The University of South Carolina raised its tuition 3.5% to $10,816 for in-state students. What was the tuition amount for in-state students prior to the increase?(Source: The State Newspaper - June 25, 2013)
USC's tuition and fees were $8,866 in 2008-2009.What is the percent increase to the new tuition and fees rate?(Why do you think tuition and fees have risen?)
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September 23, 2013
Which is a better deal?TV: $375.00
Discount: 25%
Tax: 6%
Blue-Ray Player: $269.00
Discount: 20%
Tax: 7%
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September 23, 2013
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September 23, 2013
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September 23, 2013
Exit Slip
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September 23, 2013
Review Last Night's Homework
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September 23, 2013