A store manager wants to offer a blended coffee by mixing an unflavored coffee that sells for $3 per pound with a
flavored coffee that sells for $5 per pound. If she mixes
100 pounds of the new blend and plans to sell it for $4.50
per pound, how much of the unflavored coffee should she
use?

i think 1: 2

step-by-step explanation:

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.