Mathematics

Mathematics, 03.02.2021 21:50, leandroarguijo

Carol has only 20p and 10p coins in her purse. She has three times as many 20p coins as 10p coins.
If Carol has £3.50 altogether, how many 20p coins does she have?

EXPLANATION PLEASE

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

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