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It is: 15/3600 = 1/240 in its lowest terms
15 seconds x 1 hour/3600 seconds
To convert 15 seconds to hours, you would divide by 3600 (the number of seconds in an hour). So, 15 seconds is equal to 15/3600 = 0.00417 hours.
1 hour = 3600 seconds which means that 1 second = 1/3600 hour Hence 15 seconds = 15/3600 hour = 5/1200 = 1/240 hour
There are 3600 seconds in an hour.
there are 60 seconds in one minute; 3600 seconds in one hour at 1 hr 15 minutes that is 3600 + 15x60 = 4500 seconds
The lowest term is a ratio of 3:1
There are 3600 seconds in one hour. Therefore, you would travel 15 x 1.4/3600 = 0.00583 recurring (that is, 0.00583333..) miles (that is, 9.38784 metres) in 1.4 seconds.
15 seconds = 1/240 of an hour (0.004 hours) Divide 15 seconds by 60 seconds per minute, and then by 60 minutes per hour 15/3600 = 1/240
1/5
29 to 15
15 to 1