Homework Help: maths

Posted by srihita on Monday, March 26, 2012 at 6:40am.

Kai Ling, Sam and Marie shared a bag of candies. Kai Ling received 2/5 of the candies, Sam received 2/3 as many candies as Kai Ling. Marie received 65 candies. How many more candies did Kai Ling receive than Sam?

math - drwls, Monday, March 26, 2012 at 7:52am
Sam had (2/3)*(2/5) = 4/15 of the candies
Kai Ling had 2/5 = 6/15.
That leaves 5/15 = 1/3 for Marie, who has 65. Therefore the total number is 65*3 = 195.
Kai Ling has 78
Sam has 52
Marie has 65.
(Kai Ling #) - (Sam #) = 26

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