Question

Anna is reading a 300-page book. She can read a page in two minutes. If she has finished reading 75 percent of the pages, how many minutes of reading does she have left?

Answer 1

Answer:

Total no. of pages = 300

%age of book Anna read= 75%

time per page=2 min. → 120sec

75/100×300= no. of pages

75/100×300=225 pages

now,

the time per page is→ 120 sec

therefore, time for 225 pages =

225×120

=27000 sec

→450 min.→7.5hours

Answer 2

Answer:

75℅ of 300= 225.

She read 450 pages

Remaining pages__600-450=150 pagesx1/2=75 (mins or hours)