Question
A special tea is a mixture of three kinds of tea leaves A, B and C in the ratio 2 : 4 : 3.
1 kg of each kind of tea leaves costs $6, $9 and $5 respectively.
What is the cost of 7 kg of this special tea?
3 m

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A special tea is a mixture of three kinds of tea leaves A, B and C in the ratio 2 : 4 : 3.
1 kg of each kind of tea leaves costs $6, $9 and $5 respectively.
What is the cost of 7 kg of this special tea?