The ratio of copper and zinc in a piece of brass is 7:9 .if the weight of zinc is 19.8 kg . How much copper is in brass?
Answers
Answered by
2
Answer:
let copper be 7x
let zinc be 9x
weight of zinc=19.8kg
Therefore, 9x=19.8kg
=> x=2.2
Therefore, weight of copper=7x=7(2.2)=15.4kg
Similar questions