Thursday

March 5, 2015

March 5, 2015

Posted by **lauren** on Thursday, February 9, 2012 at 1:32pm.

- algebra -
**Henry**, Saturday, February 11, 2012 at 12:21pmBlend:

X lbs of hi-quality beans.

Y lbs of cheaper beans.

Eq1: X + Y = 170 lbs.

Eq2: 5x + 2y = 3.59*170 = $610.30.

Multiply Eq1 by -2 and add the Eqs:

-2x - 2y = -340

+5x + 2y = 610.3

Sum: 3x = 270.3,

X = 90 lbs.

90 + y = 170,

Y = 170 - 90 = 80 lbs.

**Answer this Question**

**Related Questions**

algebra 1 - Sarah blends coffee for Tasti-Delight. She needs to prepare 170 lbs ...

algebra - A person needs to prepare 130 pounds of blended coffee beans for $5.27...

Algebra 2 - . A coffee merchant has two types of coffee beans, one selling for $...

algebra - The vendor of a coffee cart mixes coffee beans that cost $8 per pound ...

algebra - The vendor of a coffee cart mixes coffee beans that cost $8 per pound ...

Algebra - The vendor of a coffee cart mixes coffee beans that cost $7 per pound ...

algebra - Mixture Problems Template – Price Problems Copy the problem from the ...

math - I need to solve as an equation. A coffee merchant has coffee beans that ...

Algebra - A coffee manufacturer wants to market a new blend of coffee that will ...

Algebra - The Coffee Counter charges $9.00 per pound for Kenyan French Roast ...