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Question 947782: what is the least number of sweets that can be shared equally among 9, 12 or15 girls
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! what is the least number of sweets that can be shared equally among 9, 12 or15 girls
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It's the LCD of the 3 numbers.
9 = 3*3, so it has to have 2 factors of 3.
12 = 3*2*2, so 2 factors of 2 are needed.
15 = 3*5 --> a 5 is needed (the 3 is included in the 9)
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3*3*2*2*5 = 180
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