Answer:
(i) 5 books
(ii) 7 books
(iii) x/3 books
Step-by-step explanation:
let the number of books Mai has be x , then since Tyler has 3 times as many books as Mai, Tyler will be having 3x books.
(i) If Tyler has 15 books , the Mai will have 15/ 3 books
Therefore , Mai has 5 books
(ii) If Tyler has 21 books , Mai will have 21/3 books
Therefore:
Mai has 7 books
(ii) if Tyler has x books , then Mai will have x/3 books
Therefore :
Mai has x/3 books
