Anna, ben, and cindy have m markers together. anna has a markers, and this is twice as many markers as ben has. how many markers does cindy have?

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01-01-2018
Mathematics

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Anna, ben, and cindy have m markers together. anna has a markers, and this is twice as many markers as ben has. how many markers does cindy have?

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obenam obenam · Answer 1 · 2018-01-10T12:06:14+01:00

obenam obenam

10-01-2018

So, Anna has a markers, Ben has b markers and Cindy has c markers.
We know that a+b+c = m.
And we know also that a = 2b. ( twice as many markers as ben has)
(Remember b is the number of Ben markers.)
The equation becomes:
2b+b+c=m.
Solving for c:
[tex]c=m-3b[/tex]
Cindy has (m-3b) markers.

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