Question 495085
a bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 33 marbles in it. at least how many green marbles does it have? 
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b = 2g
b + g >= 33
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Substitute to get:
2g + g >= 33
3g >= 33
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green >= 11
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Cheers,
Stan H.
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