90 seconds = 1.5 minutes. So the ratio is 1.5 : 3 or 1:2
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To find the ratio of 90 seconds to 7 minutes, we first need to convert both time periods to the same units. Since there are 60 seconds in a minute, 90 seconds is equal to 1.5 minutes. Therefore, the ratio of 90 seconds to 7 minutes is 1.5:7 or simplified to 3:14.
60 seconds are in a minute. 180 seconds are in 3 minutes. 210 seconds are 3 minutes and 30 seconds.
7 minutes and 52 seconds plus 3 minutes and 43 seconds is 11.583 minutes OR 11 minutes 35 seconds.
3 and a half minutes = 210 seconds.
To convert 3 minutes to seconds, you multiply by 60 (3 minutes x 60 seconds/minute = 180 seconds). Then, you add the additional 42 seconds to get the total. Therefore, there are 222 seconds in 3 minutes and 42 seconds.