If 90 people attend a concert and tickets for adults cost $2.5 while tickets for children cost $2.25 and total receipts for the concert was $216.75, how many of each went to the concert?
33 Kids 57 Adults. Explanation: 57x2.5= 142.5 and 33x2.25= 74.25 . Grab the two answers (142.5 and 74.25) and add them. 142.5+74.25= $216.75 (the total recipt from the concert)