Question

An alloy is made up of $48\%$ copper, $24\%$ zinc and the rest is tin. Find the respective weight of each metal in $4.2kg$ of the alloy.

Answer 1

Percentage of copper is $48\%$

Weight of alloy is $4.2kg$

Weight of copper is given by $\frac{48}{100}\times 4.2=2.016kg$

Percentage of zinc is $24\%$

Weight of alloy is $4.2kg$

Weight of copper is given by $\frac{24}{100}\times 4.2=1.008$

Percentage of copper is $100-48-24\%=28\%$

Weight of alloy is $4.2kg$

Weight of copper is given by $\frac{28}{100}\times 4.2=1.176kg$