1. Each order of lasagna or raviolis at DeNunzio's weighs 1 lb and consists of meat filling
wrapped in pasta. On Tuesday evening, the restaurant served 40 orders of ravioli and 60
orders of lasagna and used 60 lb of meat filling. On Wednesday evening, it sold 60
orders of ravioli and 30 orders of lasagna and used 50 lb of meat filling. Find how much
meat filling is used in the ravioli and the lasagna.