Question

An alloy is produced by combining copper and zinc in the ratio 2:3 . Find the percentage of copper in the alloy

Answer 1

Answer:

40%

Step-by-step explanation:

Answer 2

Answer:

Let copper be 2x and zinc be 3x

Alloy = copper+zinc=2x+3x=5x

Percentage of copper in the alloy =

$\frac{2x}{5x} \times 100$

$\frac{2}{5} \times 100$

=2×20=40%

Percentage of copper in the alloy=40%

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