https://essayhomeworks.com/wp-content/uploads/2021/05/logo-300x75.png00adminhttps://essayhomeworks.com/wp-content/uploads/2021/05/logo-300x75.pngadmin2021-05-16 11:04:452021-05-16 11:04:45the ratio of Kwame's age to Derrick's age is 3:4.2 years ago their average age was 12 years. How old...