Question

The ratio of zinc to copper is 4 to 11. A jar of chemical contains 517 grams of copper. how many grams of zinc does it contain?

Answer 1

Answer: 188 grams of zinc

Work Shown:

zinc/copper = 4/11

z/517 = 4/11

11z = 517*4

11z = 2068

z = 2068/11

z = 188