The number of books that Henry had was 3/5 the number of books that Benny had. They had a total of 128 books. How many books did Benny have?

Answer 1

h/b = 3/5 so h = 3 b / 5
h + b = 128
3 b / 5 + b = 128
8 b/5 = 128
b/5 = 16
b = 5 * 16