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.
Answers
Answered by
3
$10.80
Step-by-step explanation:
assuming constant ratio as 'x'
Total cost = 3x×7 + 5x×10 + 7x×13 = 162x
total quantity= 3x+5x+7x = 15x
cost of mix /kg = 162x/15x= $10.80
Similar questions