Factor 4 traded beads and black powder to 3 pounds 4 pounds of caviar and 8 fur?
The next day he traded two pounds of powder and a bottle of whiskey for five pounds of caviar and 4 fur. On the third day, he traded one pound of powder and two bottles of whiskey to 6 pounds of caviar and two ounces of gold beads How can we expect to get for one ounce of gold?
P = b = c = powdered pearl caviar f = w = fur whiskey g = 3 or 4b 4c p = 2p + 8 f w = fp 5c 4 2 2 w = g 6c multiply the second equation by 2 and subtract the equation 3 to eliminate the variables of whiskey 4p w 2 = 10c 2 8 F w = p 2 g 6c 4c 3p = 8 f-2g of substitution in the first equation 4b 4 8 c = f-2g 4c-4b 8 4b 2g f = 0 g = 2b = 2g 2 glass beads for 1 oz gold