Question
A piece of alloy, weighing 30kg contains 12% chromium and another piece of alloy weighing 20kg contains 7% chromium. The two pieces are melted together
A piece of alloy, weighing 30kg contains 12% chromium and another piece of alloy weighing 20kg contains 7% chromium. The two pieces are melted together and a new piece of alloy is cast. The percentage of chromium in the new piece is:
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
