Question 352168
.9*32+X=.925(X+32)
28.8+X=.925X+29.6
X-.925X=29.6-28.8
.075X=.8
X=.8/.075
X=10.67 OZ OF PURE SILVER IS REQUIRED.
PROOF:
.9*32+10.67=.925(10.67+32)
28.8+10.67=.925*42.67
39.47=39.47