This is an Engineering analysis hw question please show your work and explain what you're doing using your words.

Last year you purchased shares in three Internet companies: HipsterBeards.com, EpicShoes.com, and StudySkillz.com. The HipsterBeards.com cost you $50 per share, EpicShoes.com stocks cost you $45 per share, and StudySkillz.com cost you $30 per share. You spent a total of $24,400, and purchased twice as many EpicShoes.com shares asStudySkillz.com. The HipsterBeards .com stocks appreciated by 20%, while the other two appreciate ted by 10%, and you sold all the stocks for $3,440 more than you originally paid. How many stocks of each company did you originally purchase?(Solve using a matrix approach)