Sophie had 3 piles of coins, A, B and C. Altogether there was £72. Pile B had twice as much as pile A. Pile C had three times as much as pile B. How much money was in Pile C?
A + B + C = £722A = B3B = C0.5 B + B + 3B = £724.5 B = £72B = £16C = £48
SR
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