Overview of Percentage

Overview of Percentage

Application Questions on Percentage Change

Extracted from Onenote:

Tab: 7.3 WB Ex 7C p9 - 13

Fill in the Blank

The original price of each T-shirt is $30.

For the 2nd shirt bought, there was a discount of 15% on the 2nd shirt only. Hanie bought 2 shirts.

Find out the total cost she paid.

Fill in the Blank

In 2019, Hamish drove a total distance of 20 822 km. The total distance driven in 2019 is 45% more than he drove in 2018.

Calculate the total distance he drove in 2018 in km.

Fill in the Blank

Ying sells her flat for $300 000. After the sale, her property agent receives a commission of 1% from Ying and 2% from the buyer. Find out the amount the property agent received for the sale.

Fill in the Blank

Ying sells her flat for $300 000. After the sale, her property agent receives a commission of 1% from Ying and 2% from the buyer.

If there was a 7% GST added on the amount the property agent received, find out the amount the property agent received for the sale.

Fill in the Blank

The marked price of a set lunch is $20. There is a service charge of 10% and GST is at 7%. A family bought 3 sets. Calculate the total amount of money they have to pay.

Service Charge & GST

• Service Charge is calculated on the total cost

• GST is charged on the new total cost (including the service charge)

• Cannot add together and use 17% as the total amount in each step is different

• This is a real situation if you go to a place to eat (that has service charge)

Open Ended

Let's think.

Will the price (include service charge and GST) be higher than 117% of the total cost? Give your reasons as well.

Open Ended

Pause and reflect (5 min)

Think about the concepts we have gone through just now.

If you have questions, type it down

(I will review now or the next lesson if time permits)