Please help! Brainliest for the best answer!! No explanation included just accurate and honest answers! Please no fake answers, I will report and delete them. Thank You!

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.