Question

In an alloy the value of copper is 25%and lead 34% find the total percentage of an alloy​

Answer 1

Answer:

Percentage of copper is 48%

Weight of alloy is 4.2kg

Weight of copper is given by

100

48

×4.2=2.016kg

Percentage of zinc is 24%

Weight of alloy is 4.2kg

Weight of copper is given by

100

24

×4.2=1.008

Percentage of copper is 100−48−24%=28%

Weight of alloy is 4.2kg

Weight of copper is given by

100

28

×4.2=1.176kg