Student Enrollment in Subjects and Pets

The video tutorial focuses on solving word problems using Venn diagrams with three categories. It covers calculating the number of students studying different combinations of algebra, biology, and chemistry, including those studying only one subject or none. The tutorial also includes a new problem involving pets, demonstrating how to apply Venn diagrams to different scenarios.

How many students are studying algebra and biology but not chemistry?

• 5

• 12

• 10

• 7

What is the number of students studying biology and chemistry but not algebra?

• 9

• 7

• 3

• 5

How many students are studying algebra and chemistry but not biology?

• 9

• 8

• 7

• 6

How many students are studying only algebra?

• 22

• 20

• 19

• 21

What is the total number of students surveyed in the class?

• 105

• 100

• 95

• 90

How many students are taking either algebra or biology?

• 68

• 65

• 70

• 60

How many students are taking either biology or chemistry?

• 61

• 60

• 59

• 62

In the new problem, how many students own all three pets: cats, dogs, and parrots?

• 14

• 12

• 16

• 10

How many students own only parrots?

• 19

• 20

• 18

• 17

How many students own either cats or parrots?

• 89

• 90

• 92

• 91