exam
Maths Puzzle
Numerical Ability
Soy bean 16% protein; corn meal 8% protein; How many pounds of each should be mixed together in order to get 320-lb mixture that is 11%protein.
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What are the correct anwsers to these problems?
please help me evaluate: sqr root 8 * sqr root 18
do we apply the multiplication first? sqr root 144 = 12