Finding Percent
Finding Part or Whole
Percent of Change
Applications
100

What percent is 15 out of 50?

30%

100

You have to create 20 name badges for senior citizens as a community service. If you complete 75% of these on Monday, how many do you have completed?

15 badges

100

When Sam was born she weighed 10 pounds. 3 months later she weighed 18 pounds. What was the percent of change?

80%

100

Bill:  $25
Percentage of tip:  20%
Tip????

$5.00

200

Eric makes 25 cookies. 7 cookies are oatmeal raisin. What percent are oatmeal raisin?

28%

200

Of the 60 seeds seeds that you plant, 80% of them germinate. How many seeds actually germinated?

48 seeds

200

You had $24 this week. Next week you hope to have saved $30. What is the percent of change?

25%

200

Bill: $60

Percentage of Tip: 15%

Tip: ????

$9.00

300

At a soccer game, your team scored 8 goals total during regular play, 2 of those goals were on penalty kicks. What percent of all goals were scored on penalty kicks?

25%

300

The seventh grade class needs to earn money for a trip to the amusement park. Of the 60 seventh-grade students, 70% participate in the fundraiser. How many students participate in the fundraiser?

42 students

300

There were 90 students in the gym last period. This period there are 36 people in the gym. What is the percent of change?

60%

300

Bill: $25.00

Percentage of Tip:40%

Tip????

$10.00

400

Of the 160 students in the Amazing School of Wizarding. 88 of them are boys. What percent are boys?

55%

400

Of the 300 runners at a 5-kilometer race, 20% are in the 35-39 age bracket. How many runners at the 5-kilometer race are in the 35-39 age bracket?

60 runners

400

Ann works in a supermarket for $10.00 per hour. She received a raise to $14.00. What is the percent of change in her hourly wage?

40%

400

Bill: $60.00

Percentage of Tip: 35%

What is your new total?

$81.00

500

If you are walking a trail that is 20 miles long and you have walked 2.5 miles so far. What percent of the trail have you walked?

12.5%

500

There are 14 competitors finished a marathon under 4 hours. That represented 40% of the runners. How many competitors ran in the marathon?

35 people total

500

Mary lost 30 pounds. Before her diet she weighed 150 pounds. What is the percent of change?

20%

500

Bill: $30.00

Percentage of Tip: 15%

You have a $50 dollar bill. How much change will you receive?

$15.50