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September 18, 2014

September 18, 2014

Posted by **Mai** on Tuesday, March 29, 2011 at 10:40am.

sack: red, blue and green.

There are ten more green

than blue marbles in the

sack. The probability of

drawing a red or blue marble

is one-half. Write and solve

an equation to determine

how many of each color

marble is in the sack

- math -
**MathMate**, Tuesday, March 29, 2011 at 11:03am"The probability of

drawing a red or blue marble

is one-half."

Means that Red+Blue=half * 50 = 25.

Can you do the rest?

- math -
**Mai**, Tuesday, March 29, 2011 at 11:14ami don't know if i can do it...

- math -
**MathMate**, Tuesday, March 29, 2011 at 11:25amKnown facts:

Red+Blue+Green=50

Red+Blue=25

Green-Blue=10

Can you juggle a little with the above equations to come up with the answer?

- math -
**Katie**, Tuesday, March 29, 2011 at 11:32amso there be 25 green, 15 blue, 10 red???

- math :) -
**MathMate**, Tuesday, March 29, 2011 at 11:52amCorrect, good job!

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