Question

Pure gold is known as 24 carat gold. Copper is sometimes added to gold to increase its hardness. As copper is added, the carat value of the gold goes down.

A jeweller has some 18 carat gold. What must he do to make it 20 carat gold?​

Answer 1

Answer:

he should reduced the some proportion of copper from the gold so that the gold will come to 20 carat..

Answer 2

Answer:

it is impossible

Step-by-step explanation: