Level 3
At a theme park, each adult ticket cost $25 and each child ticket cost $12. On Monday, the number of adult tickets sold was 120 less than the number of child tickets. On Tuesday, the number of adult tickets sold decreased by 10% while the number of child tickets sold increased by 30%. If a total of 816 tickets were sold on Tuesday, how much money was collected on Monday?

Level 3
Vincent and George had 852 notebooks together. Vincent had 210 more notebooks than George. Both of them sold some of their notebooks. George sold 20% less notebooks than what Vincent sold. In the end, George had half as many notebooks left as Vincent. How many notebooks had Vincent left?

Level 3
During a telematch, each group of students was supposed to collect as many coloured candies as possible. Each colour represented a certain point as tabulated:

Yellow 3 points
Pink 6 points
Blue 7 points

In each container, the number of yellow candies was 20% more than the number of blue candies and 10% less than the number of pink candies. Given that the total possible points if the group managed to collect all the candies were 558 points, how many candies were not yellow in colour?

Level 3
In an art class of 84 students, 0.125 of the girls passed the drawing test and ⁴₅ of the boys passed the drawing test. A total of 24 students passed the drawing test. How many girls failed the drawing test?

Level 3
The number of banana puffs Caden baked was ⁴₇ of the total number of puffs. After baking another 98 banana puffs, the number of banana puffs became ⁶₇ of the total number of puffs. How many puffs did she bake at first?