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OpenStudy (anonymous):
Sarah and Keith Robinson purchased 40 stamps, a mixture of 44 and 28 cents stamps. Find the number of each type of stamp if they spent $16.80.
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OpenStudy (anonymous):
Sarah and Keith Robinson purchased 40 stampsˏ a mixture of 0.44 cents and 0.28 cent stamps. Find the number of each type of stamp if they spent $16.80.
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