19. Weight of apple = 11 - 6 = 5 ounces 20. Time taken by her brother = 32 - 11 = 21 mins 21. His savings difference = $433 - $145 = $288 Weeks = $288/$36 = 8 weeks 22. Her check without the bonus = $1204 - $500 = $704 Work hours = $704/22 = 32 hours