exam
Maths Puzzle
Numerical Ability
Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed together in order to get a 240 lb mixture that is 9% protein?
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exam Other Question
How do I prove ABCD is a quadrilateral?
Can someone please help me with this problem? I don't know where to begin.
Find the product
(3-x+8x^3-10x^2) / (1+2x)
Thank you