Question

A coin contains 999 grams of nickel and 161616 grams of copper, for a total weight of 252525 grams.
What percentage of the metal in the coin is copper?

Answer 1

$weigh \: of \: nickel \: = 999 \\ \\ weigh \: of \:copper \: = 161616 \\ \\ \\ total \: weight \: = 252525 \\ \\ \\ \\ percenage \: of \: copper \\ \\ = (\frac{weigh \: of \: copper}{total \: weigh} \times 100)\% \\ \\ = (\frac{161616}{252525} \times 100)\% \\ \\ = 16 \: \%$









;-)

Answer 2

Answer:

The awnser is 64%

Step-by-step explanation:

16/25 = 64%