30 seconds are one half minute. 60 seconds are one minute.
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the answer is 210 you just times 3x60 that equals 180 then you add 180+30 and that's how I got my answer.
90 seconds
There are 60 seconds in a minute, so one and a half minutes would be 90 seconds. To convert seconds to minutes, you would divide by 60. Therefore, one and a half minutes is equal to 1.5 minutes or 1 minute and 30 seconds.
One minute has 60 seconds. Do the math.
In one minute there are 60 seconds. In one hour there are 60 minutes & 3600 seconds.
There are 60 seconds in one minute. Therefore, 10.5 minutes is equal to 10.5 x 60 = 630 seconds.