Question

Joan found a large metal bar that weighed 36 grams. Joan was also able to determine that the bar had 18 grams of zinc. What percent of the weight to the weight of the bar was zinc.

Answer 1

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

Explanation:

Weight of the metal bar ,M= 36 g

Weight of the zinc in the metal bar , m= 18 g

Percentage of zinc in the metal bar :

`=(m)/(M)* 100`

`=(18 g)/(36 g)* 100=50\%`

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .