Final Percent Post

Definition of percent:
any number out of 100,that can be represented as a fraction and a decimal.

Key Points of Chapter 4

4.1
When showing a percent greater than 100%, use more than 1 grid.
When showing a percent less than 1%, but more than 0%, use only one grid.

4.2
Percents can be shown as a decimal and fraction.
50% = 1/2 and 0.5

4.3
To calculate a percent of a number,write it as a decimal and multiply it.
15 1/2% of 50= 0.125x50
= 6.25

4.4
To combine a percent, put them,or add them together.
ex.1% + 2% = 3%
To found out the increase in a number, add the combined percent to the original number.
5% + 7% = 12%

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Tyler's Percent Scribe Post

4.Use mental math to do the following.

a)20% of 60= 12

b)250% of 400= 1000

c)10 1/2 % of 100=10.5

8.The original price of a jacket was $84.00. A store manager marked the price down by 25 1/2 %. By how much was it reduced?

84 x 0.255 = $21.42

11. Josephine haad an average of 40% after her first game, the second game she had ten shots and finished with an average of 50%. How many baskes did she make out of ten.
She made 8 shots out of ten.

Olivia's Percent Scribe Post

Page 142-143





4. a) 20% of 60 is 12.



b) 250% of 400 is 1000.




c) 10 1/2 % of 100 is 10.5.






The price was reduced by $21.42.







^ I was going to do that one but I got confused and gave up. If anyone can help me with that question I would appreciate it. :)

So instead I did this one:








The area of Manitoba to the nearest square kilometre is 649 004 square km.

That's the end of my post. :) Leave comments please, to tell me what I did well and what I could improve on. :)

Hanna's Scribe Post

9. The highest point in Canada is Mount Logan, which is in the Yukon Territory. Mount Logan is 159% as high as the highest point in Alberta, Mount Columbia. The elevation of Mount Columbia is 3747 m. What is the elevation of Mount Logan?

The elevation of Mount Logan is 5957.73 m.


11. The area of Canada is approximately 9984760 km². The area of Manitoba is about 6 ½% of the area of Canada. What is the area of Manitoba to the nearest square kilometre?

The area of Manitoba is about 649004km².

12. A manufacturer of electric hybrid vehicles claims its vehicle will travel 200% as far as its

regular vehicle on a full tank of gas. If the regular vehicle travels an average of 550 km on a full tank, how far will the hybrid go?

The hybrid should go 1100km far

Sam's Scribe Post

Victoria's Scribe Post

3.) Use mental math to determine each of the following.

a.) 300% of 2000

b.) 1 1/4% of 60

c.) 0.1% of 40

Answers :

a.) 6000

b.) 0.75

c.) 0.04

6.) What is the percent of each number? Give your answer to the nearest hundredth.

a.) 5/8% of 520

b.) 75 2/5% of 200

c.) 250% of $76.50

Answers:

a.) 3.25

b.) 150.8

c.) $191.25

16.) Josephine scored 12 baskets out of 30 shots in her first basketball game this year. Her scoring average was then 40%. The next game, she made ten shots and raised her scoring

average for both games to 50%. How many of the ten shots in the second game were baskets?

Answers:

Through all of the ten shots in the second game 8 were baskets.