Lawrence worked for 2 1/4 hours to travel 1/5 of his model airplane. How long will it take Lawrence to complete the entire model? Express your answer in simplest form.

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.