Mathematics, 25.10.2021 18:40 evelin2318

Ernesto purchased 100 postage stamps worth $9.90. Half of them were 1c stamps and the rest we’re 14 cent and 22 cent stamps. How many 22 cent stamps did he buy?

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Ernesto purchased 100 postage stamps worth $9.90. Half of them were 1c stamps and the rest we’re 14...

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