Level 3
A special tea is a mixture of three kinds of tea leaves A, B and C in the ratio 5 : 3 : 2.
1 kg of each kind of tea leaves costs $4, $20 and $10 respectively.
What is the cost of 15 kg of this special tea?
Level 3
Adam scores a total of 60 marks.
There are a total of 30 questions.
Every correct answer will earn 3 marks.
Every wrong answer will earn 0 marks.
How many questions are (a) incorrectly answered and (b) correctly answered?
Level 3 PSLE
Colin and Jessica bought some raisin muffins. Each of them paid $61.20. Jessica bought 6 more raisin muffins as she used a 15% discount coupon.
