Respuesta :
Step-by-step explanation:
30-7=23 dollars remained
let x be the tickets number
so 0.75*x=23
x=23/0.75
x=31 at least.
7+ .75x =30
30-7 is 23
She can go on 30 rides and she will spend 22.5
30-7 is 23
She can go on 30 rides and she will spend 22.5