Sunday, February 7, 2010

Please help me with this true or false math question?

To convert 221 seconds to minutes, you would use the ratio


60 minutes / 1 second





true or false?Please help me with this true or false math question?
221minutes/60seconds...so false.Please help me with this true or false math question?
False.





You'd use the ratio 1 minute / 60 seconds. 60 minutes / 1 second is 1 hour / 1 seond.





221 seconds = (221 * 1/60th of a minute) ---%26gt; because a second is 1/60th of a minute.


Therefore, 221 seconds = 221*1/60 = 221/60 = 3.68 minutes (correct to three significant figures, or two decimal places).





I hope that helps. :)





me07.
False. The ratio doesn't even make sense because 60 minutes is not equivalent to 1 second. It should be 1 minute / 60 seconds.
221/60=3 41/60 this is TRUE.
falseeeeeeeeeeeeeeeee
False, you'd do 221*(1 min / 60 sec)
False. you should use 60seconds/1minute
true
false

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