In jefferson middle school, 5% of the sixth graders have red hair. if there are 100 sixth graders, how many have red hair? 5 20 50 95

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.