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Mathematics, 05.10.2021 09:50 xojade

Beth has only 20p and 10p coins in her purse. She has three times as many 20p coins as 10p coins.
If Beth has £2.80 altogether, how many 20p coins does she have?

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Beth has only 20p and 10p coins in her purse. She has three times as many 20p coins as 10p coins.<...
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