If the value of 10 ounces of gold is d dollars and an ounce of gold is equivalent to s ounces of silver, what is the value, in dollars, of 3 ounces of silver.
2 answers
(3 ozAg) * (1 ozAu)/(s oz Ag) * $d/(10 ozAu) = $(3d / 10s)
10d+d(s=3