(you and 3 friends so we have 4 person <span>The group plans to ride each water ride twice.</span> so for each person we will pay 2(4.5+4+3.5)=2*12=24$ and for 4 person 24*4=96$ 100-96=4$ Answer: 4$)
but looking on gaven answers i understood that each person pay only for himself! so you paid 24$ and will get back 100-24=76$ Answer: 76$