1140 minutes
[I solve the problem in hours and convert to minutes at the end, just to make the numbers smaller.]
3 seconds per minute=3 minutes per hour
So the lateness of the train (in minutes) is given by:
Minutes late=3+3t, where t is the time in hours.
We want to find the point where the train is 60 minutes (which equals one hour) late:
60=3+3t
60-3=3t
57=3t
t=57/3=19
So in 19 hours (=19*60=1140 minutes), the train will be 60 minutes, or one hour, late.
The train is running 4 minutes late. It "needs" to be running 1/2 hours, or 30 minutes late. So it needs to lose 26 minutes, or 26*60 = 1560 seconds. It loses 4 seconds per minute. So it loses 1560 seconds in 1560/4 = 390 minutes = 61/2 hours.
60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!
10 minutes + 11 minutes = 21 minutes 58 seconds + 21 seconds = 79 seconds 79 seconds = 1 minute and 19 seconds 21 minutes + 1 minute and 19 seconds = 22 minutes and 19 seconds
The answer is 210 seconds because:Keyhalf a minute=30 sec Method:a minute=6o seconds 60x3= 180+30=2103.5 minutes * 60 = 210 seconds
60 seconds are in a minute. 180 seconds are in 3 minutes. 210 seconds are 3 minutes and 30 seconds.
The train is running 4 minutes late. It "needs" to be running 1/2 hours, or 30 minutes late. So it needs to lose 26 minutes, or 26*60 = 1560 seconds. It loses 4 seconds per minute. So it loses 1560 seconds in 1560/4 = 390 minutes = 61/2 hours.
1 minute = 60 seconds (definition) 7 minutes = 420 seconds 0.1 minute = 6 seconds 0.05 minute = 3 seconds ------------------------------------- 7.15 minutes = 429 seconds
1 minute = 60 seconds 110 minutes = (110 x 60) = 6,600 seconds
There are 60 seconds in 1 minute. 100 seconds would be 1 minute 40 seconds or 1.66667 minutes.
60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!60 seconds = 1 minute so 329 seconds = 5.4833... minutes. So simple!
From seconds to minutes: 1 minute/60 seconds For 90 seconds: (90 seconds)*(1 minute/60 seconds)=1.5 minutes
60 seconds in a minute so 4 minutes is 240 seconds. That means 250 seconds is 4 minute and 10 seconds.
10 minutes + 11 minutes = 21 minutes 58 seconds + 21 seconds = 79 seconds 79 seconds = 1 minute and 19 seconds 21 minutes + 1 minute and 19 seconds = 22 minutes and 19 seconds
There are 60 seconds in one minute, so 100 seconds is 1 minute 40 seconds, or 1.667 minutes.
30 seconds is half a minute (0.5 minutes), as there are 60 seconds in a full minute.
The answer is 210 seconds because:Keyhalf a minute=30 sec Method:a minute=6o seconds 60x3= 180+30=2103.5 minutes * 60 = 210 seconds
there are 60 seconds in a minute.