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Algebra - Inequalities

6. Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lbs mixture.

How many pounds of the cornmeal should be in the mixture?

How many pounds of soybean meal should be in the mixture?

16. The perimeter of a rectangle is 154 inches. The length exceeds the width by 39 inches. Find the length and the width.
The Length is ____inches
The width is___inches.
(Type a interger or a decimal)
17. Solve by the substitution method
6X+5Y = 2
-4X+Y =16
What is the solution of the system?
Type an ordered pair. Type N if there is no solution
18. Solve and graph.
1 -2x>11 and 5x -2>23
Choose the correct solution below.
(a) 0
(b) (b) x|x >5
(c) {x| -5 < x 5)
(d) X|x < -5
Please graph the equalities.

19. Solve by elimination method
6 x + 5y = -8
3 x -5y = 19
What is the solution?
(Type in ordered pair. Type an integer or a fraction. Type N if there is no solution.
Type I if there are infinitely many solutions.)

20. Solve the graph.
3x + 8 > -4 or 6 x 1 > -11
The solution is x| x > __}
(Please graph the equation)

21. Determine weather the given numbers arensolutions of the inequaity
X -2 > 3, -3, 3, 6, 18
Please graph the equation solution.

22. The perimeters of a rectangle is 34 meters.
The length is 5 meters more than twice the width.
Find the dimension.
What is the length? ____m
What is the width? ____m
(Simplify your answers)

Solution Summary

Neat, step-bystep solutions are provided for all the problems