S + P + H = 100 10S + 2P + .5H = 100 TWO SOLUTIONS: 1 sheep 1×$10 = $10 27 pigs 27×$2 = $54 72 hens .5×72 = $36 ---------------------- 100 animals = $100 4 sheep 4×$10 = $40 8 pigs 8×$2 = $16 88 hens .5×88 = $44 ---------------------- 100 animals = $100 Edwin