20/60 x 100=33.3% (3s.f.)
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The result is 600 seconds or a decrease of 150 seconds.
21.1%
1 minute = 60 seconds ⇒ 7 minutes 20 seconds = 7 x 60 seconds + 20 seconds = 440 seconds
72000 seconds
There are 1000 milliseconds in one second. Therefore, 20 seconds is equal to 20/1000 = 0.02 seconds.
There are 60 seconds in one minute. Therefore, 20 seconds is equal to 20/60 x 100 = 33.3 recurring (that is, 33.3333..) percent.
The result is 600 seconds or a decrease of 150 seconds.
ten. seconds. flat. :O
21.1%
750 - 20% = 750 x (1 - (20/100)) = 750 x 0.8 = 600 Therefore, 750 - 20 percent is equal to 600.
There is 0.02 kiloseconds in 20 seconds
1 minute = 60 seconds ⇒ 7 minutes 20 seconds = 7 x 60 seconds + 20 seconds = 440 seconds
72000 seconds
20 kiloseconds = 20 000 seconds = 5 hours 33 minutes 20 seconds
Approximately 1.27%. When it comes to percentage calculations I prefer coherent approach based on the answer of the 'fundamental' percentage question: "How much is one percent?" Once you have the value of one percent, you can use the result to calculate what you want to know. In this case 100% = 1574. One percent is 15.74 then. 15.74 goes to 20 about 1.27 times. The result is 1.27%. Another example: if 15 seconds are 40% of some time interval, how many seconds are 46% of this interval? One percent is 15/40=0,375 seconds. 46% is then 46 times 0,375 seconds, i.e. 17.25 seconds. That was the way how I explained these calculations to my daughter and she still remembers :-)
To find 85 percent of a number, multiply the number by 0.85. In this instance, 0.85 x 24 = 20.4 minutes or 20 minutes 24 seconds.
These types of questions were always the most fun in early mathematics. Remember the clock? It's broken not only into hours but minutes as well.Imagine that there are 60 seconds in one minute. So we know that an entire 60 seconds is 100% of a minute we can work back from there.How many 20% would you need in order to make 100%? You would need 5 (5 x 20 = 100)./ = per (60 seconds per 1 minute)60 seconds/1 minute ÷ 5 periods/1 minute = 12 seconds/periodSo 12 seconds would be exactly 20% of one minute.12 seconds (20%)24 seconds (40%)36 seconds (60%)48 seconds (80%)60 seconds (100%)