Question

Three types of coffee beans. A, B and C are blended in the ratio 3 :5 :7 to make a bag of coffee powder.
If
A costs $7 per kg, B costs $10 per kg and C costs $13 per kg, find the cost per kg of the mixture.
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Answer 1

Answer:

Three types of coffee beans. A, B and C are blended in the ratio 3 :5 :7 to make a bag of coffee powder.

If

A costs $7 per kg, B costs $10 per kg and C costs $13 per kg, find the cost per kg of the mixture.