Understanding Ratios and Proportions

The video tutorial introduces the concept of ratios, explaining how they indicate the relationship between numbers. It covers simplifying ratios using examples like salaries, dividing numbers into given ratios with class examples, and applying ratios to real-life scenarios such as inheritance and mixing drinks. The lesson concludes with homework instructions to reinforce learning.

If there are 7 bananas and 6 oranges, what is the ratio of bananas to oranges?

• 7:6

• 13:1

• 6:7

• 1:1

What is the ratio of oranges to the total number of fruits if there are 7 bananas and 6 oranges?

• 6:7

• 7:6

• 7:13

• 6:13

How do you simplify the ratio 24,000:12,000:16,000?

• 3:2:1

• 24:12:16

• 12:6:8

• 6:3:4

What is the simplest form of the ratio 12:16?

• 1:2

• 2:1

• 4:3

• 3:4

In a class with a ratio of boys to girls as 3:2, how many boys are there if there are 25 students in total?

• 13

• 15

• 10

• 12

If the ratio of boys to girls is 3:2, how many girls are there in a class of 25 students?

• 15

• 10

• 12

• 13

In a school with a ratio of boys to girls as 4:3, how many boys are there if there are 240 girls?

• 300

• 240

• 180

• 320

If there are 240 girls in a school with a ratio of boys to girls as 4:3, what is the total number of students?

• 400

• 320

• 480

• 560

How much does each brother receive if $350,000 is divided in the ratio 2:2:3?

• $120,000, $120,000, $110,000

• $100,000, $100,000, $150,000

• $150,000, $100,000, $100,000

• $100,000, $150,000, $100,000

What is the total number of parts when dividing $350,000 among three brothers in the ratio 2:2:3?

• 7

• 6

• 5

• 8