Christy spent $500 over her budget on gifts during the holidays. in addition to her regular job, she took a part-time job at the pharmacy that paid $10 per hour. how many hours will christy have to work at the pharmacy to pay off the holiday debt?

Ashley recently opened a store that sells only natural ingredients. she wants to advertise her products by distributing bags of samples in her neighborhood. it takes one person 22 minutes to prepare one bag. how many hours will it take to prepare 900900 bags of samples if ashley and 55 of her friends do the work?