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Marnie collects red, blue and purple buttons. At the beginning of the year she has 360 buttons in a box. The ratio of red buttons to blue buttons is 4:3 and there are twice as many red buttons as purple buttons. a.What is the
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asked by Cherie on April 16, 2013 
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Suppose that a crayon weighs the same as a marker. You have a box of crayons, 4 extra crayons, and 20 markers. Let b be the number of crayons in the box. A scale balances with all the crayons on one side and all the markers on the
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A spinner has three congruent sectors colored orange, green, and purple. Every spin has has 1/3 chance of landing on any color and there is 1/9 chance of landing on orange and then on purple. There is 1/3 chance of landing on same
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In a box of markers there are eight which have dried up and will not write. The box contains 15 red, 15 purple, 5 black and 10 white markers. A marker is picked at random from the box. Find the probability that a) it is red b) it
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