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Friday, December 20, 2013

Raymond's Percent Post

A percent is a equivalent fraction out of 100


100 percent means 100/100
To find 100 percent you divide by 1

50 percent means 1/2 or 50/100
To find 50 percent you divide by 2

25 percent means 1/4 or 25/100
To find 25 percent you divide by 4

10 percent means 10/100
To find 10 percent you divide by 10

1 percent means 1/100
To find 1 percent you divide by 100


Representing Percent
180%










0.6%


















12 3/8%

Converting percents, fractions, and decimals
750% 
7.50
7 1/2


Converting Decimals to Percents to Fractions
1)26%
26% ÷ 100 = 0.26
0.26/1 = 26/100

2) 7/10
7 ÷ 10 = 0.7
0.7 x 100 = 70%

3) 0.024
0.024 x 100 = 2.4%
0.024/1 = 24/1000


Percent
1) 20% of  60
2) 0.1% of 40
3)250% of 400
Sale Prices 
50% off is better than 25% off 

Question 7 pg. 149
100 is the number of caribou moved to a new location.Then another 10% came. It then became 110. Then it increased by 20% the next year, it became 132 because it was 20% of the new number of caribou

For the show you know I'll use 400 as my price
50% off for a day
50% of 400 is basically 200 because 50% is half so you divide by 2
so the total is $200

25% off followed by another 25% off the reduced price the next day
25% of 400 equals 100        400-100=300
so now the price is 300 the first day.
25% of 300 equals 75 so  300-75 equals 225
so the total is 225.

As you can see the 50% off for a day is better than 25% followed by another 25% the next day








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