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