Seudónimo Seudónimo 30-04-2021 Mathematics contestada PLS HELP ASAP 10 POINTS Erika has a collection of 300 movies. 2/5 of these movies were made after 2010. 50% of the movies were made between 1990 and 2010. The rest were made before 1990. How many movies of Erika's collection were made before 1990?