Question

an alloy contains copper and zinc in the ratio of2:11.Find the weight of copper in the alloy ,if it has 28.6 grams of zinc

Answer 1

zinc wt=11x

11x=28.6

x=2.62.6=5.2

copper wt=2x

2 x 2.6=5.2

Answer 2

11x = 28.6
x=2.6
2.6*2= 5.2 gm