Mathematics, 23.10.2019 23:20, kataldaine
jonathan collects postcards and stamps. the number of postcards in his collection is 12 more than the number of stamps. he has 39 postcards
in all. if jonathan has x stamps, which equation represents this situation and how many stamps does he have?
Answers: 2
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jonathan collects postcards and stamps. the number of postcards in his collection is 12 more than th...
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