Level 3
Serene had 47 as many chocolates as Melvin. Melvin had 45 as many chocolates as Esther. If Esther had 38 more chocolates than Serene, find the total number of chocolates that was shared among these 3 children at first.
Level 3
There were 1870 books in a book shop. There were 6 times as many storybooks as assessment books. There were an equal number of assessment books and manuals. There were half as many non-fiction books as storybooks.
Level 3
When 34 of a bottle is filled with milk, it weighs 890 g. When the bottle is half-filled with milk, it weighs 745 g. Find the mass of the empty bottle.
