Ratio and Proportion Problems

This video tutorial covers advanced ratio problems. It begins with a problem involving the ratio of girls to boys in a classroom and how many boys need to leave to change the ratio. The solution involves setting up and solving algebraic equations. The second problem involves the ratio of apples to bananas in a basket and how adding bananas changes the ratio. The video demonstrates solving these problems using algebraic methods, emphasizing understanding and applying ratios in different contexts.

What is the total number of students in the class mentioned in the first problem?

• 50

• 57

• 45

• 60

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

What is the initial ratio of girls to boys in the class?

• 3:14

• 5:12

• 4:15

• 2:13

How many boys need to leave the class to change the ratio of girls to boys to 4:11?

• 8

• 12

• 10

• 15

What is the new ratio of girls to boys after the boys leave?

• 4:11

• 3:10

• 5:12

• 2:9

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the initial ratio of apples to bananas in the basket?

• 5:19

• 6:17

• 3:14

• 4:15

Tags

CCSS.1.OA.A.1

How many bananas are added to the basket in the second problem?

• 20

• 23

• 18

• 25

What is the new ratio of apples to bananas after adding more bananas?

• 10:61

• 9:50

• 8:55

• 7:45

Tags

CCSS.1.OA.A.1

How many apples were initially in the basket?

• 8

• 12

• 10

• 15

Tags

CCSS.2.NBT.B.6

What is the total number of pieces of fruit in the basket after adding the bananas?

• 71

• 65

• 68

• 75

What is the main focus of the video tutorial?

• Algebraic expressions

• Geometry

• Advanced ratio problems

• Basic arithmetic