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
If 13 of a number is 25, what is 25 of the number?
2 m
Level 1
25 of a number is 76. What is 12 of this number?
2 m
Level 2
338 kg of black beans was packed equally into 3 packs. How many grams of black beans would there be in each pack? Leave your answer in grams.
2 m
Level 3
In the figure, a fish tank measuring 52 cm by 25 cm by 48 cm contained 2720 mℓ of water. Serene then turned on a tap that flows at a rate of 4.32 ℓ per minute. How long does it take for the tank to be 23 filled with water? Express your answer in min.
3 m