Question

three students have a total of 60 books among them. if one student owns 10% of the books, and another has 66 2/3% of the books, how many books does the third student have

Answer 1

2/3 of 60 is 40
60- 40 = 20
10 percent of 60 is 6
20-6 = 14

Answer 2

That would be 13 books in total for the third student.
hope this helps.