how many pounds of chamomile tea that costs $18.10 per pound must be mixed with 18lb of orange tea that costs $12.28 per pound to make a mixture that costs $14.22 per pound?

Respuesta :

18.50x + 12.26(18) = 14.18(18+x)

18.50x + 220.68 = 255.24 + 14.18x

4.32x = 34.56

x = 8 pounds