Question 994705
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Before 1971:
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((£3.35)(240p/£1))/5p=160.8
ANSWER 1: Before the pound was decimalized (1971), 
there were 160.8 five pence coins per pound.
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Since 1971:
((£3.35)(100p/£1))/5p=67
ANSWER 2: Since the pound was decimalized (1971),
there are 67 five pence coins per pound.