Posted by **deel** on Sunday, November 11, 2012 at 10:31pm.

in order to grow a certain crop, it is recommended that each square foot of ground be treated with 10 units of phosphorous, 9 units of potassium, and 19 units of nitrogen, suppose that there are three brands of fertilizer on the market - say brand X, brand Y, and brand Z. One pound of brand X contains 1 unit of phosphorous, 3 units of potassium, and 4 units of nitrogen. One pound of brand Z contains only 1 unit of phosphorous and 1 unit of nitrogen.

a. Determine whether or not possible to meet exactly the recommendation by applying some combination of three brands of fertilizer. Give your reasoning.

b. if it is possible to meet the recommendation, what is the combination of the three brands that satisfies the recommendation?

## Answer This Question

## Related Questions

- Math - What is the surface area in square units? top= 10 square units bottom= 10...
- Math - What is the surface area in square units? top= 10 square units bottom= 10...
- Calculus - the area of the first quadrant region bounded by the y-axis, the line...
- math - Note: Figure not drawn to scale If U = 4 units, V = 5 units, W = 7 units...
- Algebra 2 Need Help - 1. function g(x)=-x^2-3x+7 . Find the area under the curve...
- geometry - A circle has a center at (8,2). The point is (3,7) is on the circle. ...
- Geometry - ABC is isosceles with AB = AC = 8 units and BC = 6 units. D and E ...
- math - . A rectangle has a perimeter of 24 units. If the width is 4 units, which...
- math - A rectangle has a perimeter of 24 units. If the width is 4 units, which ...
- math(algebra) - Find the distance between A and B. A= the coordinates ( 6, 1) B...

More Related Questions