Question
At the school's recent fund-raising project, for every $1 donated by 1 child, 1 adult donated four times the amount. There were 4 times as many children as adults who were at the event. There were 13 times as many boys as girls at the event. Given that a total amount of $144 was collected during the event, how many boys were at the event?
4 m

Click button first when a symbol is required. X

At the school's recent fund-raising project, for every $1 donated by 1 child, 1 adult donated four times the amount. There were 4 times as many children as adults who were at the event. There were 13 times as many boys as girls at the event. Given that a total amount of $144 was collected during the event, how many boys were at the event?