An alloy contains copper and zinc in the ratio 3:7. Find the mass of the metals in 750 g of alloy.
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Step-by-step explanation:
Correct option is
A
12.6.
Given,
Weight of zinc in the alloy =9.8kg
The ratio of copper and zinc in an alloy =9:7.
Let,
Weight of copper =9x
Weight of zinc =7x
9.8=7x
x=1.4kg
∴ Weight of copper in the alloy =9x
=9(1.4)
=12.6kg
not an exactly same answer but procedure is same please mark as brainlist
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