Percent
Percent means per hundred, and it is the equivalent fraction out of 100.
What is the reason of why they choose number 100?
The reason why they choose 100 because it is the best way and the easier way, its not small and not big, its right. It can easily seen too.
What is Percent?
Per/cent
out of /100
% means 0/0 and it means 100.
100% means: whole, everything, all
50% means: half, 20/40, 50/100
1% means: 1 out of 2
You can use T-charts to find the Percent.
For example 15% out of 315
% Score
/20 100 315 /20
*3 5 15.75 *3
15 47.25 or 47
Representing Percent
Percent
- Means out of 100
- Another name for "hundredths"
100 or 0.65.
0.268 0.268 = 26.8 or 26.8% or 268
1 100 1000
750% 750% = 7.5 = 7.5 = 5
100 100 10
Percent of a number
1.) 20% of 60 60 20%
20/100= 0.20 60 100
/5 12 20 /5
0.20* 60= 12
20% of 60 is 12
2.) 0.1% of 40 40 0.1
0.1/ 100= 0.001 40 100
0.040 0.1
0.001 * 40= 0.040
3.) 250% of 400 400 250%
100/250=2.50 800 200
2.50 * 400=1000 200 50
+1000 250
Combining Percents
Discount- what you save
Sale Price- what you pay
example:
11% of 35
100+ 11= 111
111/100 =1.11
35 * 1.11= $ 38.85
Total cost $ 38.85
A herd of 100 caribou was moved to a new location. the population increased by 10% the first year and then increased by 20% the second year.
1st
100+10=110
110/100=1.1
1.1*100=110
2nd
20+100=120
120/100=1.2
1.2*110=132
http://www.youtube.com/watch?v=s11SiS0tVjI
Decimal ,Percent, Fraction.
3 Decimal Percent Fraction
26% 0.26 26% 26/100 , 13/50
7/10 0.7 70% 7/10 , 3 50/100
0.024 0.00024 24 /100000 , 12/50000 , 6/25000
20% of 60 100/1*60 = 60
20/100*60=12
0.1% of 40 100/1000=0.1
40/1000=0.040
250% of 400 100*4=400
250*4=1000
5
I choose number 3.
15%
My answer is no because:
100+15=115
15/115+10%
11.5(11 of 10=11.5)
126.5
31.625+25% of 126.5
158.125
200* 0.15=30
230*0.1=23
253
200*0.25=50
250
1 100 1000
- Percents to Decimal to Fraction
750% 750% = 7.5 = 7.5 = 5
100 100 10
Percent of a number
1.) 20% of 60 60 20%
20/100= 0.20 60 100
/5 12 20 /5
0.20* 60= 12
20% of 60 is 12
2.) 0.1% of 40 40 0.1
0.1/ 100= 0.001 40 100
0.040 0.1
0.001 * 40= 0.040
3.) 250% of 400 400 250%
100/250=2.50 800 200
2.50 * 400=1000 200 50
+1000 250
Combining Percents
Discount- what you save
Sale Price- what you pay
example:
11% of 35
100+ 11= 111
111/100 =1.11
35 * 1.11= $ 38.85
Total cost $ 38.85
A herd of 100 caribou was moved to a new location. the population increased by 10% the first year and then increased by 20% the second year.
1st
100+10=110
110/100=1.1
1.1*100=110
2nd
20+100=120
120/100=1.2
1.2*110=132
http://www.youtube.com/watch?v=s11SiS0tVjI
Decimal ,Percent, Fraction.
3 Decimal Percent Fraction
26% 0.26 26% 26/100 , 13/50
7/10 0.7 70% 7/10 , 3 50/100
0.024 0.00024 24 /100000 , 12/50000 , 6/25000
20% of 60 100/1*60 = 60
20/100*60=12
0.1% of 40 100/1000=0.1
40/1000=0.040
250% of 400 100*4=400
250*4=1000
5
I choose number 3.
15%
My answer is no because:
100+15=115
15/115+10%
11.5(11 of 10=11.5)
126.5
31.625+25% of 126.5
158.125
200* 0.15=30
230*0.1=23
253
200*0.25=50
250
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.