Red Toothpick
Posted in Folding Knives by admin
on February 18, 2012
Red Toothpick
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Math--PROBABILITY?
There are 3 more red toothpicks than blue toothpicks. A toothpick is chosen at random. Each toothpick is equally likely to be chose. If the probability that a blue toothpick is chosen is 3/7, how many red toothpicks are there and how many blue toothpicks are there?
x=blue toothpicks
y=red toothpicks
x= y-3
y= x+3
x/(x + y) = 3/7
x/(x + x + 3) = 3/7
x/(2x + 3) = 3/7
solve for x
x = 3/7(2x + 3)
x= 6/7x + 9/7
7x = 6x + 9
x=9
plug x in above equation
y=9+3
x = 9
y = 12
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Bacon Flavored Toothpicks Accoutrements 80 Gift TIN Novelty GAG Gift $0.01 If you love bacon, these bacon flavored toothpicks are just the thing for you! These slender sticks of wood are generously infused with the unmatched, drool-inducing flavor of bacon. Each tin contains eighty toothpicks. Get it for yourself or as a gift for the bacon lover in your life!... |
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