Question

An alloy of copper and zinc weighs 320 g in water
and 302 g in a liquid of density 1-4 g cm-. If the
density of copper is 8.9 g cm 3 and that of the zinc is
7.4 g cm, find the measure of the masses of copper
and zinc in the alloy.
A person carries an air-tight box and a bird sits in it.​

Answer 1

see attachment hope it helps u............

Answer 2

Answer:

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