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£2.80 is made up of equal numbers of coins of 5p, 10p and 20p, how many coins are there altogether
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Since the number of coins of each nomination is the same, you can regroup the coins in groups of three coins in each: 5p + 10p + 20p.
The worth of each group is 5p + 10p + 20p = 35p.
The number of groups is = 8.
Hence, there are 8 coins of 5p, 8 coins of 10p and 8 coins of 20p.
In all, there are 3*8 = 24 coins.
Answer. In all, there are 3*8 = 24 coins.
