Question 996109
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P=weight of paper; E=weight of envelope
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5g(E)+3g(P)=Total weight
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Maximum pages in one envelope (E=1) with one stamp (Total weight=20g):
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5g(1)+3g(P)=20g
3g(P)=15g
P=5
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ANSWER: The maximum number of pages with one stamp is 5.