A y read th of the book on one day and g thof the remainder on another

1.	A y read th of the book on one day and g thof the remainder on another day. If there were 30puges unread, how many pages did the book contain?Hih Order Thinking Skills (HOTS
Answer» After reading 3/8 of the book, the remaining fraction 1 - 3/8 = 5/8The boy then reads 4/5 of 5/8 = 4/5 x 5/8 = 1/2 Total fraction read = 3/8 + 1/2 = 7/8The unread fraction = 1 - 7/8 = 1/8 This is equivalent to 30 pages∴ The book has 30 ÷ 1/8 = 240 pages

A y read th of the book on one day and g thof the remainder on another day. If there were 30puges unread, how many pages did the book contain?Hih Order Thinking Skills (HOTS

Answer»

After reading 3/8 of the book, the remaining fraction 1 - 3/8 = 5/8The boy then reads 4/5 of 5/8 = 4/5 x 5/8 = 1/2

Total fraction read = 3/8 + 1/2 = 7/8The unread fraction = 1 - 7/8 = 1/8 This is equivalent to 30 pages∴ The book has 30 ÷ 1/8 = 240 pages