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Mathematics, 05.02.2020 12:50 theoriginalstal4234

Russell had 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.
how many pennies in russell's collection are dated after 2000?

a} 480
b} 720
c} 40
d} 60

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

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