Asked by Anonymous
A merchant has coffee worth 3dollars a pound that she wishes to mix with 3 pounds of coffee worth 9dollars a pound to get a mixture that can be sold for 6dollars a pound. How many pounds of the 5 dollar coffee should be used?
Answers
Answered by
Kuai
3x + 9(3) = 6(x+ 3)
3x + 27 = 6x + 18
-3x =-9
x = 3
3x + 27 = 6x + 18
-3x =-9
x = 3
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