brebrina brebrina

05-10-2015
Mathematics

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A store sells small notebooks for $7 and large notebooks for $10 if a student buys 6 notebooks and spends $51 how many of each size did he buy

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Thepatrick00 Thepatrick00

05-10-2015

He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51

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Аноним Аноним

06-10-2015

7+7+7=21
10+10+10=30
30+21=51

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