%%%. percent increase / decrease if in 2001 cape town had a population of 2.89million people and the...
Post on 22-Dec-2015
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Percent Increase / Decrease
New Value Reference Value%
Reference Value
New Old - Change
Old
*(1 % )New value old value change
New value Reference value*(1 %change)
If in 2001 Cape Town had a population of 2.89million people and the population grew by 4% from 2001 to 2010, what is the population in 2010?
2.89 *(1 .04) 3.01 million million people
$1,097,500 $1,000,000.0975 or 9.75%
$1,000,000
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New Value Reference Value%
Reference Value
New Old - Change
Old
“Percent more / less than”
New value Reference value*(1 %change)
Bentley cost $1,000,000*(1 .20) $1,200,000
The Bentley at $1,200,000 is what percent MORE THAN the Ferrari at $1,000,000?
The Ferrari at $1,000,000 is what percent LESS THAN the Bentley at $1,200,000?
New Value Reference Value%
Reference Value
- Change
1,200,000 1,000,000.20 or 20% more than
1,000,000
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1,000,000 1,200,000.16667 or 16.67% less than
1,200,000
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“Percent more than / less than”If the Bears have 100 points and the
Packers have 80. By what percentageis the Bears’ score GREATER THAN the Packers’ score?
100 80 20.25 or 25% more than
80 80
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“Percent more than / less than”If the Bears have 100 points and the
Packers have 80, by what percentageis the Packers score LESS THAN the Bears?
80 100 200.20 or 20% less than
100 100
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“Percentage of”
If the Bears have 100 points and the Packers have 80, what percentageof the total points dothe Bears have?
% of (in decimal form)Part
Whole
100 1000.5556 or 55.56%
100 80 180