Answer:
only 2 kid's could go since the price of both is 95 for one and times it by two it's 190
1 revolution is 360 degrees
1 hour = 60 minutes
360/60 = 6
so it rotates 6 degrees every minute
135/6 = 22.5 minutes
25-7=18
18/25=x/100
the scale factor is 4
multiply 18*4
72%