Q: If a machine makes one article in 90 seconds how many will it make in 1 hour?

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10,000 x 60 (60 mins in an hour) = 600,000

An hour has 3600 seconds. 10 seconds is 1/360 of an hour.

3,600 seconds in a hour

There are 5,400 seconds in an hour and a half.

Since one hour = 3600 seconds, 7.045 seconds =.0001957 of an hour.

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60 seconds in a minute, 60 minutes in an hour. 60 X 60 = 3600 seconds in an hour.

10,000 x 60 (60 mins in an hour) = 600,000

a dozen eggs every 60 seconds, so 720 eggs an hour.

There are 3,600 seconds in an hour.

An hour has 3600 seconds. 10 seconds is 1/360 of an hour.

3,600 seconds in a hour

There are 60 seconds in a min. and 60 mins. in an hour = 3600 seconds in an hour. 19 seconds is therefore 19/3600 of and hour.

3600 seconds

There are only one group of 3600 seconds in one hour. One hour is equal to 3600 seconds.

Since one hour = 3600 seconds, 7.045 seconds =.0001957 of an hour.

There are 5,400 seconds in an hour and a half.

The fraction of 8 seconds/ 1 hour = 8 seconds/ 60 minutes = 8 seconds/ 3600 seconds. This would mean that 8 seconds is 1/ 450 of a hour and that 8 seconds is 0.222% of a hour.