Level 2 PSLE Mary had toys for sale. In the morning, she sold 13 of the toys. In the afternoon, she sold 15 of the remaining toys. After that, there were 48 toys left. How many toys did Mary have at first?
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?
