Answer:
see explanation
Step-by-step explanation:
A fraction is in simplest form when no other factor but 1 will divide into the numerator/ denominator
(1)
← is in simplest form
(2)
← is in simplest form
(3)
( divide numerator/ denominator by 2 )
=
← in simplest form
Divide the silver present in the bar by the total weight of the bar to find the percentage of silver in the bar.

Multiply this decimal by 100 for the percentage.

Rounded to the nearest tenth
, 71.4% of the weight of the bar is silver.