24 gallons in minus 4 gallons out is 24-4=<<24-4=20>>20 gallons per second

260 gallons divided by 20 gallons per second 260/20 = <<260/20=13>>13 seconds

# Answer

13
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
24 gallons per second of water flows down a waterfall. If you have an empty basin that can hold 260 gallons of water. The basin leaks water at 4 gallons per second. how long would it take to fill the basin with water from the waterfall in seconds?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
13
24 gallons per second of water flows down a waterfall. If you have an empty basin that can hold 260 gallons of water. The basin leaks water at 4 gallons per second. how long would it take to fill the basin with water from the waterfall in seconds?
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