Question

An alloy of iron and zinc contains 40% of iron and the rest is zinc. Find the weight of the zinc in 3 Kg of the alloy.



2Kg

1.5 Kg

1.8 kg

2.2 Kg

​

Answer 1

Step-by-step explanation:

$\huge {\underline {\mathcal \color {gold} {Answer }}}$

in alloy of iron and zinc

iron=40%

so..

zinc=100-40=60%

then..

in the weight of 3kg alloy

zinc =$3kg×\frac{60}{100}$

$\frac{18}{10}$

so. ${\fcolorbox{aqua}{navy}{\fcolorbox{yellow}{blue}{\bf{\color{yellow}{1.8 kg}}}}}$

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Answer 2

Answer:

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