Sunday, April 12, 2009

Can someone help me answer this math problem?!!?

I know it%26#039;s so simple that I can%26#039;t figure it out. Please find out the answer and tell me HOW you got it!





Here%26#039;s the problem:





Lily and Mary took turns feeding the cat. During the first 60 days of the year, Lily feed the cat 3/5 of the time. How many days did Mary feed the cat during this period?





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Please help me! I gotta major test tommorow on this and much more!





Thanx

Can someone help me answer this math problem?!!?
If Lily fed the cat 3/5 of the time then Mary fed the cat 2/5 of the time.





2/5 * 60/1 = 24 days





In this case, each 1/5 = 12 days.
Reply:3/5 x 60 = 36 days for Lily


60-36 = 24 for Mary





An easier way is to just take 2/5 of 60, because if Lily feeds the cat 3/5 of the time then Mary feeds the cat the other 2/5 of the time.
Reply:If Lily feeds the cat 3/5 of the time, then Mary must feed the cat 2/5 of the time. The time is 60 days:


so how many days does mary feed the cat: (2/5)(60 days) = 24 days
Reply:3/5 times 100 gives % of time Lily fed cat=60%


Mary fed the cat 40 % of the time


Since 60% +40%= 100 %
Reply:because you have an whole fith and if you subtract this so your answer should be two fiths
Reply:Well, first you take 60 and divide it by 5! That gets you 12 for each fifth of the 60 days... if that maked sense. Then you muliply 12 by three to get the 3/5 of the 60 days (36). Now, take that answer and subtract it from 60. You get 24, right?, and so %26quot;Mary feed the cats 24 days%26quot;! Did I help?



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