Grade 7 Real Number Problems: Percentages & Graphs

A store is having a sale where all items are 20% off. If a shirt originally costs $30, what is the sale price of the shirt?

• $25

• $20

• $28

• $24

In a class of 30 students, 40% of them are girls. How many girls are in the class?

• 12

• 15

• 20

• 10

A pie chart shows that 25% of a pizza is pepperoni, 50% is cheese, and 25% is veggie. If the pizza has 12 slices, how many slices are cheese?

• 6 slices

• 4 slices

• 10 slices

• 8 slices

A graph shows the number of books read by students over a month. If 60% of the students read 5 books, and there are 20 students, how many students read 5 books?

• 12

• 15

• 8

• 10

A car travels 150 miles on 5 gallons of gas. What is the percentage of gas used if the car has a full tank of 15 gallons?

• 33.33%

• 50%

• 25%

• 10%

In a survey, 70% of people prefer chocolate ice cream. If 200 people were surveyed, how many prefer chocolate ice cream?

• 180

• 50

• 100

• 140

A bar graph shows the number of hours students study each week. If 30% of students study 10 hours, and there are 50 students, how many study 10 hours?

• 15

• 20

• 25

• 10

A school has 600 students, and 25% of them are in the band. How many students are in the band?

• 100

• 200

• 150

• 300

A line graph shows the temperature over a week. If the temperature increased by 10% from Monday to Tuesday, and Monday's temperature was 60°F, what was Tuesday's temperature?

• 70°F

• 64°F

• 62°F

• 66°F

In a class, 80% of students passed the math test. If there are 40 students in the class, how many students passed the test?

• 32

• 25

• 35

• 30