if a boy reads 3/5 pages of a book in one day and 4/5 pages in another day. There are 30 pages unread, how many pages does the book contain??? About the author Mary
Answer: 75 pages. Step-by-step explanation: Let the total number of pages in the book be x. According to the question, (3/5 of x) + (4/5 of x) – (30) = x 3x/5 + 4x/5 – 30 = x (3x + 4x) / 5 = x + 30 7x = 5 (x + 30) 7x = 5x + 150 7x – 5x = 150 2x = 150 x = 150/2 x = 75 pages Hope it helps u !!!!!! Please mark my answer as the BRAINLIEST. Please like my answer too !!!!!! Reply
Answer:
75 pages.
Step-by-step explanation:
Let the total number of pages in the book be x.
According to the question,
(3/5 of x) + (4/5 of x) – (30) = x
3x/5 + 4x/5 – 30 = x
(3x + 4x) / 5 = x + 30
7x = 5 (x + 30)
7x = 5x + 150
7x – 5x = 150
2x = 150
x = 150/2
x = 75 pages
Hope it helps u !!!!!!
Please mark my answer as the BRAINLIEST.
Please like my answer too !!!!!!