Calculating Percentages and Values

The video tutorial covers solving percent problems using strip models. It includes examples like calculating hotel room vacancies, determining original prices with discounts, and finding total passengers or students from given percentages. The video emphasizes understanding the relationship between parts and wholes in percent calculations.

What is the first step in solving percent problems using strip models?

• Guess the percentage.

• Directly calculate the percentage.

• Identify the total and part values.

• Use a calculator to find the answer.

In the Sweet Dreams Hotel problem, what does 125 represent?

• The total number of rooms.

• The number of floors in the hotel.

• The percentage of occupied rooms.

• The number of vacant rooms.

How do you determine the percentage of vacant rooms in the Sweet Dreams Hotel?

• Subtract the number of vacant rooms from the total number of rooms.

• Multiply the number of vacant rooms by the total number of rooms.

• Divide the number of vacant rooms by the total number of rooms and multiply by 100.

• Add the number of vacant rooms to the total number of rooms.

What is the correct method to find the original price of a book after a coupon discount?

• Add the discount to the original price.

• Subtract the discount from the original price.

• Divide the discount by the percentage it represents.

• Multiply the discount by the original price.

In the flight passengers problem, what does the number 40 represent?

• The percentage of first-class passengers.

• The total number of passengers.

• The number of first-class passengers.

• The number of flights.

How do you calculate the total number of passengers on the flight?

• Subtract the number of first-class passengers from the total passengers.

• Divide the number of first-class passengers by the percentage.

• Multiply the number of first-class passengers by the percentage.

• Add the number of first-class passengers to the total passengers.

In the toy collection problem, what does 80 represent?

• The number of toy drives.

• The percentage of stuffed animals.

• The total number of toys collected.

• The number of stuffed animals.

How do you find the number of stuffed animals collected?

• Subtract the total number of toys from the percentage of stuffed animals.

• Multiply the total number of toys by the percentage of stuffed animals.

• Divide the total number of toys by the percentage of stuffed animals.

• Add the total number of toys to the percentage of stuffed animals.

What percentage of water balloons did Jamal use?

• 80%

• 50%

• 60%

• 70%

How do you calculate the percentage of water balloons used?

• Multiply the number of balloons used by the total number of balloons.

• Add the number of balloons used to the total number of balloons.

• Divide the number of balloons used by the total number of balloons and multiply by 100.

• Subtract the number of balloons used from the total number of balloons.