Level 3
Betty and Eva shared some stickers. Betty had 60% of what Eva had at first. Betty then gave Eva ³₇ of what she had. How many more percent did Eva have than Betty in the end? Correct the answer to 1 decimal place.

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 3
Sean, Tim, Fred and Mark paid a total of $132 for a souvenir. Mark paid ³₈ of what the rest paid. Sean paid 20% of what the rest paid. Tim and Fred paid an equal amount of money. How much did Fred pay?

Level 3
Benny and Nigel both received an allowance from their father. Benny initially received 30% of the money. He then gave Nigel $5, and was left with ¹₃ as much money as Nigel. What was the total amount of money given to the two boys?

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?