SOLUTION: Brand A of coffee cost $5 per kg and brand B costs $8 per kg if 5 kg of brand A is used how many kg of brand A should be used to create a mixture with average cost of $6 per kg

Question 1125449: Brand A of coffee cost $5 per kg and brand B costs $8 per kg if 5 kg of brand A is used how many kg of brand A should be used to create a mixture with average cost of $6 per kg
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
..., if 5 kg of brand A is used how many kg of brand A should be used to create a mixture with average cost of,...

Decide which. Not the same unknown and known.

Until you decide if it is given 5 pounds of Brand A or 5 pounds of Brand B , A is amount of Brand A and B is amount of Brand B.

Accounting for cost, .
Either A is 5, and solve for B; Or B is 5, and solve for A.
Answer by ikleyn(52804) (Show Source): You can put this solution on YOUR website!
.
Read your post attentively.

Find an error in it.

Fix the error.

Then re-post.

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Comment from student : Sorry to say teacher But the question is written on my note book is same
as it is written but I also feel like there is something missing but actually it is or it is not u know better
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My responce : It only means that the problem is written incorrectly in your note book.

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