Question

The gold bracelet weighs 70 kg. It is made from 76% gold and 24% aluminium. Find themass of gold in bracelet. Also find the mass of aluminium.

Answer 1

Given:

The gold bracelet weighs 70 kg.

It contains 76% gold and 24% aluminium.

To find:

The mass of gold and aluminium.

Step-by-step explanation:

The mass of gold will be,

`(76)/(100)*70=53.2kg`

The mass of aluminium will be,

`(24)/(100)*70=16.8kg`

Final answer:

The mass of gold is 53.2kg and the mass of aluminium is 16.8kg.