Exploring Bar Graphs in 7.6G

The video tutorial covers the use of bar graphs to solve problems involving proportions and percentages. It begins with an introduction to bar graphs and how to interpret them to find solutions. The teacher then guides students through analyzing data of members and non-members over five days, using proportions to compare data. Finally, the tutorial demonstrates calculating ticket sales for school dances and determining which combinations of dances account for a specific percentage of total sales.

What is the total number of people surveyed about their favorite type of restaurant?

• 20 people

• 40 people

• 30 people

• 50 people

What percentage of the surveyed people preferred American food?

• 25%

• 30%

• 40%

• 50%

On which day did the number of members increase by 200 from the previous day?

• Day 5

• Day 4

• Day 3

• Day 2

Was the statement 'The number of members on day three is twice the number of members on day one' true?

• No

• Yes

• Data insufficient

• Not applicable

What was the combined number of members on day 1 and day 5?

• 3200

• 2600

• 3000

• 2800

How much more were the combined members on day 1 and day 5 compared to non-members on day 3?

• 1200 more

• 1000 more

• 600 more

• 800 more

Which two dances together earned exactly 600 dollars?

• Fall Dance and End of Year Bash

• Valentine's Day and Spring Fling

• Fall Festival and Spring Fling

• Winter Snowball and Valentine's Day

What was the total ticket sales from all school dances?

• $1700

• $1500

• $1800

• $1600

What percentage of the total ticket sales did the combined earnings of Valentine's Day and Spring Fling dances represent?

• 37.5%

• 30%

• 40%

• 35%

How much did each ticket cost for the school dances?

• $15

• $10

• $5

• $20