Asurveyor measuring the dimensions of a block of land finds that the length of the block is three times the width. if the perimeter is 160 metres, what are the dimensions of the block?

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.