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Mathematics, 27.07.2019 18:30 applejulianamoreno
Alisha bought a collection of 500 old pennies. she chose 20 pennies from the collection and recorded their dates. seven pennies had dates earlier than 1980. what is the best estimate of the percent of pennies in alisha’s collection that have dates earlier than 1980?
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Alisha bought a collection of 500 old pennies. she chose 20 pennies from the collection and recorded...
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