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Q: How many grains of sand are there in an 30 minute hour glass?
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Related questions

How many hour are in one minute?

A minute contains 1/60th of an hour.


How many hour are in 210 minute?

3 hour 30 mins.


How many cents would you make each minute if you earned 15 in a hour?

$15 per hour = 25¢ per minute.


27 a hour equal how many dollars a minute?

45 cents per minute.


How many dollars per minute are there in 720 per hour?

12 per minute.


How many hours are there in a minute?

1 minute is 0.01667 hours.


How many minute in 0.8 of an hour?

48 minutes.


If an hour is 400million years how many is one minute?

1 minute is 1/60 of an hour, therefore 400/60 is 6,666,666.6667 years.


How many seconds are in one hour and one minute?

3660 seconds make up 1 hour and 1 minute.


How many yards per minute 12 miles an hour?

12 miles per hour equals 352 yards per minute.


How many degrees does the minute hand of a clock turn in 1 hour?

The minute hand of a clock turns about 360 degrees each hour.


How many hours in 1 minutes?

There is 1/60 of an hour in one minute. Since there are 60 minutes in an hour, that means that 1/60 hours is also in a minute.