Question

8.An ornament is made up of gold and copper. It weighs 90g. If 1/15 of it is copper, then the weight of gold in it is

Answer 1

Answer:

According to the question, the ornament has gold and copper, where 1/15 th of it is made of copper.

i.e.,

$\frac{1}{15} \times 90$

$= \frac{(1)(90)}{6}$

$= \frac{90}{15}$

$= 6g$

Thus, the ornament is made of 6g of copper. The rest of the weight is that of gold, I.e.,

$Total \: Weight \: - Copper \: Weight$

$= 90 - 6$

$= 84g$

Hope this helps.

Thanks.