Level 3
At the school's recent donation drive, for every $1 donated by a child, an adult donated twice the amount. There were 5 times as many children as adults who were at the event. There were 23 times as many girls as boys at the event. Given that a total amount of $1470 was collected during the event, how many girls were at the event?
4 m
Level 2
The price of an apartment when rounded off to the nearest $1000 is $90000. What is the greatest possible price of the car if it has been round off to the nearest thousand?
2 m
Level 3
Zara baked vanilla, chocolate and red velvet macarons. There were half as many red velvet macarons as chocolate macarons and an equal number of red velvet macarons as vanilla macarons. The cost of each macaron is given as shown.

1 red velvet macaron: $1.10
1 chocolate macaron: $1.40
1 vanilla macaron: $1.20

If she collected $153 from selling all the macarons, how many chocolate macarons were there?
3 m
Level 3
A fruit vendor ordered some fruits. 35% of the fruits he ordered were apples and the rest were oranges. Each apple cost $1.20 and each orange cost 50% more than each apple. The vendor paid a total of $636.
  1. Find the total cost of the apples.
  2. How many oranges did he order?
3 m
Level 3
At first, Adelyn had $154 and Eunice had $298. Then Eunice spent $89 on a pair of jeans and Adelyn received $200 from her grandfather. In the end, what is the ratio of the amount of money Adelyn had to the amount of money Eunice had? Give your answer in the simplest form.
3 m