datagman13
contestada

PLLLLLLLEEEEEEEEEEEEEEASE ANSWER FAST MATH GENIUSES!!!!!!!
A coffee company wants a new flavor of Cajun coffee. How many pounds of coffee worth $ 7 a pound should be added to 30 pounds of coffee worth $ 3 a pound to get a mixture worth $ 5 a​ pound?

To get a mixture worth $ 5 a​ pound,_____ pounds of coffee should be added.

Respuesta :

summerinsky456

Answer:

5 lbs

Step-by-step explanation:

1)  x = lbs. of coffee at $7 per lb

2)  (7)(x) + (4)(10) = (5)(x + 10)

3) 7x + 40 = 5x + 50

   7x - 5x = 50 - 40

         2x = 10

           x = 5 (lbs. of coffee at $7 per lb.)

The answer to your problem is 5. Hope this helps