Decimals to Percentages
0.82
82%
65.5%
0.655
30/100
30%
You scored 15 out of 50 basketball shots. What is the percentage you got into the hoop?
15/50 x 100 = 30%
10% of 80
0.1 x 80 =8
0.432
43.2%
12.5%
0.125
2/100
2%
In a jar of 60 m'n'ms, 25 are red. What percentage of the candies are red?
40% of 350
0.4 x 350 =140
1.45
145%
235%
2.35
4/50
8%
A farmer has 80 chickens, and 12 are white. What percentage of the chickens are white?
12/80 x 100 = 15%
130% of 200
1.3 x 200 =260
A research team tested a new water filtration system. Out of all the water samples tested, 0.0875 of them showed trace contaminants that passed through the filter.
What percentage contained contaminants?
8.75%
If 1% of 400 is = 4. What percent would represent the amount of 20? Write you answer in decimal form.
1% of 400 = 4
5% of 400 = 20
5% = 0.05 as a decimal
1/4
25%
In a class of 48 students, 30 brought a packed lunch. What percentage of students did not bring a packed lunch?
48-30 = 18
18/48 x 100 =37.5% did not bring a packed lunch
A basketball player has a 60% shooting accuracy. If he shot 45 hoops in total, how many of them went in?
During a science experiment, a student recorded that 0.0064 of the chemical solution evaporated during the first hour.
What percentage evaporated?
0.64%
In a school survey, 40% of students said science was their favorite subject.
What percentage of students said their favourite was maths?
Convert your answer into decimal form.
100% - 40% = 60% prefer maths
60% as a decimal = 0.6
1/8
12.5%
A factory produces 400 toys. 80 of them end up breaking. What percentage of the toys are still working well and usable?
400-80=320
320/400 x 100 =80%
A school cafet serves 1,250 meals a week. 8% of the meals are vegetarian and the rest are normal. How many meals (out of the 1,250) are vegetarian and how many are normal?
0.08 x 1250 = 100 vego meals
100 - 8 = 92%
0.92 x 1250 =1,150 meals are normal