Level 3
In an envelope, there were a total of 144 notes. 75% of them were $1-notes. The rest were $2-notes. Neave took out some $1-notes. As a result, the remaining $1-notes made up 25% of the notes left in the envelope. Find the total value of the $1-notes Neave took out from the envelope.

Level 3
The number of mangoes at a shop was 70% more than the number of pomegranates. After 60% of the pomegranates were sold, there were 39 more mangoes than pomegranates. Find the total number of mangoes and pomegranates at the shop at first.

Level 3
20% of the people are performers for a concert and the rest are spectators. 80% of the spectators are adults and there are 3900 more adults spectators than children spectators. How many adult spectators must leave so that 25% of the people in the concert are adult spectators?

Level 3
Last month Mr Zhang gave his wife, Anna $4000 for household expenditure. Anna spent 60% of the sum on rental, 30% on food and saved the rest. This month, Mr Zhang reduced the sum he gave to Anna. Anna spent the same amount on rental and reduced the amount she spent on food by 30%. She saved the remaining 10% of the sum given to her this month. By what percentage was the sum given to Anna reduced?

Level 3
Roshel had some peaches and oranges in 2 baskets. In Basket A, the number of peaches to the number of oranges was in the ratio of 5 : 9. In Basket B, there were thrice as many peaches as oranges. After Roshel transferred ¹₃ of the oranges from Basket A to Basket B, the number of fruits left in Basket A was 187 and the ratio of the number of peaches to the number of oranges in Basket B became 7 : 8. How many fruits were in Basket B in the end?

Level 3
Oscar had some apricot shortbreads and apple shortbreads. ⁴₉ of the number of apricot shortbreads was equal to ¹₈ of the number of apple shortbreads. After Oscar made 279 more apricot shortbreads, the number of apricot shortbreads was ⁵₄ of the number of apple shortbreads. How many shortbreads did he have altogether in the end?

Level 3
Gabby had five times as many pencils as staplers. After giving away 20 pencils and selling 47 pencils, she found out that she had four times as many pencils as staplers left.

1. How many pencils did Gabby have at first?
2. How many pencils and staplers did Gabby have altogether at first?

Level 3
Tammy baked 420 pies. 40% of them were peach pies. How many more peach pies must Tammy bake so that 80% of her pies are peach pies?

Level 2
In a conference, there were 651 females and 97 males. How many males must join in order for the number of males to be twice that of the number of females?

Level 3
Melanie, Oprah and Andy shared $4590 among themselves. Oprah and Andy shared ⁴₉ of the money equally. After Oprah gave away some of her money to Melanie, Andy had 3 times as much money as Oprah. How much money did Oprah give to Melanie?