Level 3
Ivory receives $10 more allowance than Neave each day. Ivory spends $9 more than Neave each day. Their remaining money was saved. How much more money will Ivory save than Neave after 3 days?
Level 3 PSLE
The students of a test are divided equally into two groups. In the first group, there are 30 more boys than girls. In the second group, there are 12 more girls than boys. 40% of all the students are girls. How many students are boys?
Level 3
There were some cars, vans and buses. 23 of the total vehicles were cars and vans. There were 16 buses and thrice as many cars as vans. How many more cars than vans were there?