Solving Equations and Percentages

This video tutorial covers Unit 6, focusing on tape diagrams, equations, and their applications. It explains how to use tape diagrams to solve equations, match equations with solutions, and balance equations. The tutorial also delves into interpreting fractions, writing expressions with variables, understanding percentages, and exploring equal and equivalent expressions.

What does the larger green rectangle represent in the equation x + 4 = 17?

• The number 4

• The unknown value x

• The total sum

• The number 17

If Diego's tape diagram for 5 * x = 35 is completed, what is the value of x?

• 8

• 5

• 6

• 7

How do you find the unit price of potatoes if 4.5 lbs cost $22.52?

• Multiply $22.52 by 4.5

• Divide $22.52 by 4.5

• Add $22.52 to 4.5

• Subtract 4.5 from $22.52

What percentage of the kids in the band rent their instruments if 20% own them?

• 60%

• 40%

• 20%

• 80%

In the equation 2x = 14.62, what is the value of x?

• 3.65

• 29.24

• 14.62

• 7.31

If Lynn has saved 75% of her $20 goal, how much has she saved?

• $15

• $10

• $20

• $5

What is the solution to the equation 4X = 32?

• 4

• 6

• 8

• 10

If 40% of X is 35, what is the value of X?

• 175

• 140

• 87.5

• 70

How many questions are on the exam if Priya has completed 9 questions, which is 60% of the total?

• 18

• 20

• 15

• 12

If 80% of C is 20, what is the value of C?

• 25

• 30

• 20

• 16