Mathematics, 05.02.2021 17:10, risarod6106

B) Darren bought 20 stamps. n of these were 20p stamps. The rest were 30p stamps. He spent £5.20 altogether.
How many 20p stamps did he buy?

Answers: 3

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B) Darren bought 20 stamps. n of these were 20p stamps. The rest were 30p stamps. He spent £5.20 al...