Question

A certain alloy contains 75% copper.Find the quantity of copper in 600 kg of alloy

Answer 1

percentage of copper=75 percent

total mass of alloy =600 kg

therefore quantity of copper in alloy=

75/100*600

=75*6

=450

ans = quantity of copper in an alloy of 600 kg is 450 kg

the remaining part consisting of other elements = 600-450=150

hope this helps