Level 3
There were some rows of tables in a hall. Each row had 5 tables. When Kathy brought in 2 extra tables and rearranged all the tables, there were 4 tables in each row and 3 more rows than before. How many tables were there at first?

Level 3
In a school hall, a certain number of students can be arranged such that there are exactly 21 students per row. If the same number of students arranged in rows of 16 students each, there will be 7 more rows and 8 students left over. How many students are there altogether?

Level 3
A philanthropist bought a total of $19380 worth of toys, textbooks and clothes to donate to the needy children. The number of clothes bought was 20% more than the number of toys bought but 20% fewer than the number of textbooks bought. The toy cost $12 each and was $2 more expensive than each textbook but 40% cheaper than each piece of clothes. How many toys and textbooks did the philanthropist donate to the needy children?

Level 3
There were some pupils in a museum. ¹₃ of the pupils lined up in 16 short rows and ¹₂ of the pupils lined up in 6 long rows. The remaining pupils did not line up. There are 12 more pupils in each long row than each short row.

1. What fraction of the pupils did not line up?
2. How many pupils lined up?

Level 3
Jake and Kenneth had the same number of sweets. Each of them packed his own sweets into packets. Jake packed 5 sweets in each packet and had 2 sweets left. Kenneth packed 8 sweets in each packet and was short of 4 sweets.

1. How many sweets did each of them have if they have used the same number of packets?
2. What was the smallest possible number of sweets each of them had if they used different number of packets?