Which rate is the Best Buy (meaning it had the lowest unit cost)? (A) 8 for $11.00,
(B) 1 for $1.37,
(C) 4 for $5.50,
(D) 16 for 21.60

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.