Answer: 6 hours
Step-by-step explanation:
Ti get the number of hours that Cyclone used at the park goes thus:
Let the number of hours be represented by h.
We can then use the information in the question as:
250 - 40h = 10
40h = 250 - 10
40h = 240
h = 240/40
h = 6
He stayed for 6 hours