136 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
137 P5.RD.NK.22122306
Level 3
Two identical pails C and D contained some water. Pail C was 14 filled and Pail D was 1/5 filled. The ratio of the total mass of Pail C and the water in it to the total mass of Pail D and the water in it was 8 : 7. The total mass of the two pails and the water they contained was 3150 g. What is the mass of an empty pail?
4 m
F Addition & subtraction Fraction to units Ratio to units Repeated identity Units method
138 P5.ST.JC.18121135
Level 2
Adam's monthly income is $2000.
He spends 60% and
saves the rest.
How many months will he take to save $4800?
3 m
Percent of a set Units method
139 P5.PC.NK.22122107
Level 3
Linda had a story book with 440 pages. She read 50% of the story book on Thursday, 35% of the story book on Friday and the rest on Saturday.
  1. How many pages did she read on Saturday?
  2. How many more pages did she read on Thursday than on Saturday?
3 m
Percent of a whole Units method
140 P5.DE.NK.23010312
JLevel 2
ayne had just enough money to buy 9 kg of sugar. However, she bought only 5 kg of sugar and used the remaining money to buy 3 packets of cookies which cost $2.40 each. How much did Jayne pay for the sugar she bought?
3 m
D Mulitplication D Division Units method

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