Level 3
A box is thrice as long as a book. The book is twice as long as a notebook. The box is 7 m 15 cm longer than the notebook. What is the total length of the book and the notebook?
Level 3
Joe has twice as many coins as Lee. Lee has 14 less coins than Oliver. The three of them have 130 coins altogether. How many coins does Joe have?
Level 3
Tim bought 30 more Singapore stamps than Malaysia stamps and twice as many China stamps as Malaysia stamps. Given that he bought a total of 250 stamps, how many Singapore stamps did Tim buy?
Level 3
Ken collected 508 stickers. Lucy collected 142 fewer stickers than Ken but thrice as many stickers as Asher. How many stickers did the three children collect altogether?