Andy was on his way to a marble tournament when he met Bob. Andy's bag of marbles was heavy, so he gave Bob 1/2 of his marbles plus two. Then he met Alex and gave him 1/4 of his remaining marbles plus five. Just before arriving at the tournament, He met Emily and gave her 1/2 of the marbles he had left. When he got to the tournament, he had two marbles left. How many marbles did he start with?

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05-05-2017
Mathematics

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Andy was on his way to a marble tournament when he met Bob. Andy's bag of marbles was heavy, so he gave Bob 1/2 of his marbles plus two. Then he met Alex and gave him 1/4 of his remaining marbles plus five. Just before arriving at the tournament, He met Emily and gave her 1/2 of the marbles he had left. When he got to the tournament, he had two marbles left. How many marbles did he start with?

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lovelymimosa66 lovelymimosa66 · Answer 1 · 2017-05-05T01:26:05+02:00

lovelymimosa66 lovelymimosa66

05-05-2017

Let the total number of marbles be x.marbles remaining after giving to bob is x/2 - 2.again after giving alex he has 3/4*(x/2-2)-5 after meeting Emily he has 1/2 *{3/4*(x/2-2)-5}Which is equal to 2...so the total number of marbles were 28 at the beginning.

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