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Sunday, December 17 2017 @ 03:57 AM CST
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 please help me this question
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By: achieve_goal (offline)  Saturday, February 18 2012 @ 06:24 AM CST (Read 717 times)  
achieve_goal

Mrs lee had some red and green beads. 7/11 of the beads
were red and the rest were green. After giving away 105
red beads, the number of red beads left was half of the
number of green beads.
how many green beads did she have?

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By: tlk (offline)  Saturday, February 18 2012 @ 07:59 AM CST  
tlk

Green = 11u - 7u = 4u
Red beads left = 4u / 2 = 2u
Red beads given = 7u - 2u = 5u
5u = 105
1u = 105 / 5 = 21
Green = 21 x 4 = 84 (Ans)

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