26 P5.ST.JC.18121148
Level 3
Adam wants to buy a TV set.
The usual price of the TV set is $1000.
There is a storewide promotional discount of 20%.
As a privileged card member, he is entitled to another 10% discount of the discounted price.
How much does he pay for the TV set in all?
3 m
Percent of a whole Discount Percent of different bases Units method
27 P5.ST.JC.18121149
Level 1
Adam wants to buy a TV set. The usual price of the TV set is $1000.
He needs to pay a GST of 10%.
  1. How much is the GST?
  2. How much does he pay for the TV set in all?
2 m
Percent of a whole GST Units method
28 P5.ST.JC.18121150
Level 3
The price of a TV set with 5% GST is $1050.
  1. How much does Adam have to pay if the GST is increased to 10%?
  2. How much more must Adam pay because of the GST increase?
3 m
Percent of a whole GST Units method
29 P5.ST.JC.18121151
Level 3
The price of a TV set with 10% GST is $1100.
  1. How much does Adam have to pay if the GST is decreased to 5%?
  2. How much saving does Adam enjoy as a result of the decrease in GST?
3 m
Percent of a whole GST Units method
30 P5.ST.JC.18121152
Level 2
Adam wants to buy a TV set. The usual price of the TV set is $1000.
As a privileged card member, he is entitled to a discount of 10%.
He needs to pay a GST of 5%.
  1. How much is the GST?
  2. How much does he pay for the TV set in all?
3 m
Percent of a whole Discount GST Percent of different bases

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