Question

Mary can read 22 pages in 30 minutes how long would it take her to read a 121 pages book

Answer 1

                         22 PAGES READ BY MARRY IN 20 MINUTES
THEREFORE,   1 PAGE ---------------------------------20/22 MINUTES
                             121 PAGES---------------------------- {20 X 121}/22 MINUTES
                                                                                     110 MINUTES
@@@@@@@@@@@@@@>.................. 

Answer 2

22 pages is read in 30 min
therefore, 1 page is read in 30/22 min
therefore, 121 pages are read in (30/22)× 121 mins
=165 mins