Problema Solution
Muthu reads 20 pages of a book in a day. After 6 days, 2/5 of the book is still unread. How many pages are there in this book?
Answer provided by our tutors
let x = the number of the pages in the book
x - 20*6 = (2/5)x
by solving we find:
x = 200 pages
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there are 200 pages in the book.