Level 3
Henry had to paint some cartons. On the first day, the number of cartons he painted was 40% of the number of cartons that he had not painted. One week later, he painted another 100 cartons. As a result, the total number of painted cartons became 28 more than ¹₂ of the total number of cartons. How many more cartons were unpainted than painted on the first day?

Level 3
David, Ethan and Tim have some marbles. The ratios of their marbles are as follows:

David : (David + Ethan + Tim) = 1 : 5
Ethan : (David + Tim) = 1 : 3

Tim has 42 marbles more than Ethan. In the end, Tim gives away all he has to Ethan and David so that both Ethan and David end up with the same number of marbles, how many marbles has Ethan received from Tim?

Level 3
Rael, Henry and Will shared $117. During a shopping trip, Rael spent ¹₆ of his share, Henry spent ¹₅ of his share and Will spent ¹₂ of his share. Given that all three boys each spent the same amount of money, how much more money do Rael and Henry have than Will in the end?

Level 3
Four boys, Vincent, Asher, Oscar and Zane saved some money. Asher's savings was ⁵₁₂ of the total savings of Vincent, Oscar and Zane. Vincent's savings was 20% of the total savings. Oscar's savings was ¹₂ of the total savings of Asher and Zane. If Asher's savings was $10650, how much less was Vincent's savings than the total of the other 3 boys?

Level 3 PSLE
Tickets for a zoo trip were sold to teachers and pupils at different prices as shown.
Price per ticket:
Teacher $20
Pupil $8
¹₄ of the tickets sold were bought by teachers. The total amount of money collected from the sale of tickets to pupils was $416 more than the total amount collected from the sale of tickets to teachers. How much money was collected from the sale of tickets altogether?