Zoe builds bird feeders for state parks. Her fixed cost is $325 every month and she pays an additional $11 for the supplies she needs to make each bird feeder. If Zoe sells each bird
feeder for $36, how many bird feeders must she sell to cover her expenses?

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.