Agroup of 42 people went to an amusement park. the admission fee for adults is $16. the admission fee for children is $12. the group spent $568 to get into the park. how many adults and how many children were in the group?

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.