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If you have two sand glasses One of them is for the 4 minute another one - is for 7 minutes If you have to measure 9 minutes with these two sand glasses in 9 minutes?

At 0 minutes, turn both the hourglasses.After 4 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 3 minutes left.Turn the 4 minute hourglass.After 7 minutes:The 4 minute hourglass: 1 minute left.The 7 minute hourglass: 0 minutes left.Turn the 7 minute hourglass.After 8 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 1 minute left.Turn the 7 minute hourglass.After 9 minutes:The 4 minute hourglass: 0 minute left.The 7 minute hourglass: 0 minutes left.Now you know you are finished.


The call was 1 hour and 25 minutes long her phone company charges 22 a minute for the first 20 minutes 15 for the next 20 minutes and 03 per minute after that what was the cost of her bill?

1 hour and 25 minutes = 85 minutes = 20 minutes @ 22 a minute + 20 minutes @ 15 a minute + 45 minutes @ 03 a minute = 440 + 300 + 135 = 875


How do you get 16 minutes by using a 10 and7 minute timer?

You set the 10 minute timer for 9 minutes and the 7 minute timer for the full 7 minutes.


How many seconds in 7.15 minutes?

1 minute = 60 seconds (definition) 7 minutes = 420 seconds 0.1 minute = 6 seconds 0.05 minute = 3 seconds ------------------------------------- 7.15 minutes = 429 seconds


If you have a 5 minute hourglass and an 8 minute hour glass how do you get the sand to equal one minute?

Start both at the same time, flip each when time runs out. The 5 minute will be turned 3 times totalling 15 minutes. The 8 minute will be flipped twice totalling 16 minutes. Once the 15 minutes is up on the 5 minute timers, there is one minute left on the 8 minute timer.

Related Questions

What is the plural of minute?

The plural of minute is minutes.


How many eggs does Annie walker eat in one year?

according to Egg Group Global (EGG), Annie Walker consumes an average of 100 eggs per minute. A world record shattering egg consumption rate.


If noah is loading the animals on his ark at the rate of 2 per minute and there are 60 animals how many minutes will it take Moses to load the animal up?

120 minutes


If a divers air consumption rate is 25 psi per minute what would be the consumption rate at 66 feet of seawater?

75 psi/minute


How many minutes and hours are in minutes?

There is exactly 1 minute in a minute. There is 0.01666... recurring hours in 1 minute.


If you have two sand glasses One of them is for the 4 minute another one - is for 7 minutes If you have to measure 9 minutes with these two sand glasses in 9 minutes?

At 0 minutes, turn both the hourglasses.After 4 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 3 minutes left.Turn the 4 minute hourglass.After 7 minutes:The 4 minute hourglass: 1 minute left.The 7 minute hourglass: 0 minutes left.Turn the 7 minute hourglass.After 8 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 1 minute left.Turn the 7 minute hourglass.After 9 minutes:The 4 minute hourglass: 0 minute left.The 7 minute hourglass: 0 minutes left.Now you know you are finished.


If a diver surface air consumption rate is 25 psi per minute what would be the consumption rate at 66 feet of seawater?

75 psi/minute


The call was 1 hour and 25 minutes long her phone company charges 22 a minute for the first 20 minutes 15 for the next 20 minutes and 03 per minute after that what was the cost of her bill?

1 hour and 25 minutes = 85 minutes = 20 minutes @ 22 a minute + 20 minutes @ 15 a minute + 45 minutes @ 03 a minute = 440 + 300 + 135 = 875


How do you get 16 minutes by using a 10 and7 minute timer?

You set the 10 minute timer for 9 minutes and the 7 minute timer for the full 7 minutes.


If you have two hourglasses one four minute timer and one seven minute timer how can you measure nine minutes?

Start both timers, when the four minute timer is done, there will be 3 minutes of sand left in the top of the seven minute timer.Restart the four minute timer, while letting the remaining (3 minutes) of sand to drop from the 7 minute timer. (this is your 1st 3 minutes of your nine minute measurement)When the 7 minute timer is done the 4 minute timer will now have 3 minutes of sand in the bottom. Flip the 4 minute timer (when this runs it will be your second 3 minutes of time). At the same time flip the 7 minute timer.When the 3 minutes of sand run on the 4 minute timer, restart the 7 minute timer by this time 3 minutes worth of sand will have gone to the bottom of the timer, resetting it will give you the last 3 minutes of sand for you last 3 minutes of time measuring the 9 nine minutes.


What minute is the 89th minute?

There are 60 minutes in 1 hour. 89 minus 60 is 29. So 89 minutes in the next hour is the 29th minute. In total, 89 minutes is 1 hour and 29 minutes, or 1 minute less than an hour and a half.


How many minutes are in a kilo minute?

The term killowat simply means 1000 watts. Watts are computed as volts times amps. A load of one killowat used for one hour consumes one killowat hour of energy. That would be 60 killowat minutes, however that measurement is seldom used.