Mathematics, 30.10.2020 17:10 e03per503

Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the rest are dated after 2000.

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Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are date...