Answer:
The answer is 144 grams of zinc
Step-by-step explanation:
proportion zinc to copper = 4/17
4/17 = z/ 612
multiply the extremes
17 . z = 4 . 612
17 . z = 2,448
z = 2,448 / 17
z = 144
The answer is 144 grams of zinc
Always check your answer
4/ 17 = 144/612 = 0.235
