Level 3
Jeanne's school organized a trip to Japan. At first, the ratio of the number of boys to the number of girls who planned to participate in the trip was 7 : 5. On the day of registration, 52 girls decided to withdraw and 52 more boys decided to join in. In the end, the number of girls who participated became 20% of the total participants for the trip. How many more boys than girls would visit Japan in the end?

Level 1
Write the greatest whole number in each blank to make each number statement true.

1. 80 is greater than 9 x ___
2. 176 is greater than __ x 7

Level 3
The line graph shows the total number of cars sold by a car dealer in the first six months of the year.

1. In which two months were there a consecutive increase in the number of cars sold?  Give the answer in short form. (Eg Jan, Feb)
2. What fraction of the cars was sold in the month of the lowest sale? 
3. The car dealer was paid a fixed amount of money for every car he sold. He received $3200 more in April than in February. How much money did he receive from selling a car?

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?