Level 3
Serena used 25 of the flour and an additional 50 g to bake some cake. She used 14 of the remaining flour and an additional 24 g to bake some muffins. Given that Serena was left with 168 g of flour, how much flour did she have at first?
4 m
Level 3
In a class, 14 of the students and an additional 3 boys like basketball. 13 of the remaining students in the class less 3 students like badminton and the rest of the 25 students in the class like rugby. How many students are there in the class?
4 m
Level 3
Miki, Natalie and Ollie each had some beads and decided to play a game with their beads. In round 1, Miki lost 12 of her beads to Natalie. In round 2, Natalie lost 12 of her total number of beads to Ollie. In round 3, Ollie lost 12 of her total number of beads to Miki. In the end, Miki, Natalie and Ollie had 124, 88 and 68 beads respectively. How many beads did Natalie have at first?
5 m
Level 3
Katrina spent some of her money on a dress, a pair of shoes and some neckties. She spent 15 of her money and an additional $119 on a dress. Next, she spent 27 of the remaining money and an additional $29 on a pair of shoes. Finally, she spent 23 of what she had left on some neckties and had $12 left. How much did Katrina have at first?
5 m