Algebra - Inequalities
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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?
____Pounds
How many pounds of soybean meal should be in the mixture?
_____Pounds
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
(TYPE A INTERGER OR A DECIMAL)
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)
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