Determine the numbers of the pennies are post
If the pre-1982 pennies weigh on average 3.09 g and thepost-1982 pennies weigh 2.51 g, a student weighs the 1131 pennies and finds them to have a mass of 3001.8 g. Determine the numbers of the pennies arepost-1982?
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If the pre-1982 pennies weigh on average 3.09 g and thepost-1982 pennies weigh 2.51 g, a student weighs the 1131 pennies and finds them to have a mass of 3001.8 g. Determine the numbers of the pennies are post-1982?
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