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Maths Puzzle
Numerical Ability
a/bc + b/ac - c/ab = ?
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book Other Question
A CERTAIN BRASS ALLOY CONTAINS 60% COPPER, 34% ZINC, 6%LEAD. HOW MANY KG OFTHIS BRASS ALLOY AND OF ZINC MUST BE ADDED TO 20KG OF LEAD TO PRODUCE A NEW BRASS ALLOY THAT IS 40% ZINC
directions: graph the equation. label three key points on the graph.
y=2|x-4|-1
thank you