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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.

2 Answers

6 votes

The answer to your problem is 5. Hope this helps

User Nikos Tsokos
by
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4 votes

Answer:

5 lbs

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.)

User FrengoF
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5.2k points