Answer in Percents
Out of 25 athletes on a team, 12 of them signed up for travel football. Which of the following represents the percent of athletes who signed up for football?
48%
A nursing home has 80 residents in it. Of those 80, 30% of them are female. How many of the 80 are female?
24
21/35=
3/5
Percent is out of how many?
100
16/32=
50%
In a recent survey, 55 out of 125 teachers go grocery shopping on Saturday mornings. What percent of teachers grocery shop on Saturday mornings?
44%
At a recent basketball game, Ryan had a score of 18 points. He made 60% of the points that were possible. How many points were possible for Ryan to score?
30
33/44=
3/4
What are the factors of 100?
2, 4, 5, 10, 20, 25, 50
32/40=
80%
Ms. Lee collects rocks. She has a total of 50 rocks. Of the 50, 16 of them are igneous. What percent of her rocks are igneous?
32
Ms. Lee has a candy jar with 90 Jolly Ranchers in it. Of those 90, 20% of them are blue. How many of the 90 candies are blue?
18
27/36=
3/4
How can knowing your factors of 100 help you find the percent of something?
Percent is out of 100. If you know the factors it's easy to know what to multiply by.
1/4=
25%
In a recent survey, 55 out of 125 dogs are adopted from the shelter in a week. What percent of dogs are adopted in a week?
44%
Mr. Potter’s health class has 9 blonde students in it. These students represent 12% of his total number of kids. Which of the following is the total number of kids that Mr. Potter has in his health class?
75
18/30=
3/5
Define percent
A percent is the numerator of a ratio whose denominator is 100. A percent is therefore a rate per 100 (cent being the Latin prefix for 100). It is symbolized by the % symbol.
135/150=
90%
Out of 25 students in a class, 5 of them earned a perfect score on a spelling test. Which of the following represents the percent of students who earned a perfect score on the spelling test?
20%
Out of 500 students who enter the school in a day, 15% of them bring a water bottle. Which of the following represents the number of students who bring a water bottle?
75
66/75=
22/25
Write 80/100 as a simplified fraction and percent.
4/5 and 80%
215/250=
86%