Calculating GST and Original Prices

The video tutorial explains how to calculate GST from both the original and total prices. It covers the method of dividing by 10 to find GST from the original price and dividing by 11 when starting from the total price. The tutorial also discusses how different countries have varying GST rates and how to handle these differences. Additionally, it explains how to convert between original and total prices using multiplication by 1.1 and the importance of understanding percentage calculations when reversing from total to original prices.

How do you calculate GST from the original price?

• Divide by 11

• Multiply by 10

• Divide by 10

• Multiply by 11

What is an alternative method to calculate GST from the original price?

• Divide by 11

• Multiply by 10

• Divide by 10

• Multiply by 11

Why is it important to consider different GST percentages in various countries?

• Because all countries have the same GST rate

• To ensure accurate calculations for each country's specific rate

• To avoid using any GST calculations

• Because GST is not applicable in all countries

How do you calculate GST from the total price?

• Divide by 11

• Multiply by 11

• Divide by 10

• Multiply by 10

What is the rule of thumb for calculating GST from the total price?

• Divide by 10

• Multiply by 10

• Multiply by 11

• Divide by 11

How can you calculate the total price from the original price?

• Multiply by 110%

• Divide by 110%

• Multiply by 100%

• Multiply by 90%

What is the decimal equivalent of multiplying by 110%?

• 0.9

• 1.11

• 1.01

• 1.1

How do you find the original price from the total price?

• Divide by 1.1

• Multiply by 0.9

• Divide by 0.9

• Multiply by 1.1

Why is multiplying by 0.9 not a correct method to find the original price from the total?

• It removes 10% of the original price

• It adds 10% to the original price

• It adds 10% to the total price

• It removes 10% of the total price

What is the correct method to reverse the calculation from total to original?

• Multiply by 0.9

• Divide by 0.9

• Multiply by 1.1

• Divide by 1.1