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How much do one billion pennies weigh?
1 billion pennies would weigh 5,511,556.55 pounds. The weight of a penny is 2.5 grams
A student weighs 1131 pennies and finds them to have a mass of 3001.8 g If the pre-1982 pennies weigh on average 3.09 g and the post-1982 pennies weigh 2.51 g how many of the pennies are post-1982?
Of 1131 pennies, x weigh 3.09 g and y weigh 2.51 g. In total, the 1131 pennies weigh 3001.8 g. 3.09x + 2.51y 1131 = 3001.8 I have no idea what to do after that, or if it's even right. I was thinking maybe dividing, but the number was so small it had to be wrong. Tell me, what grade is this for?
How much do pennies weigh?
Depends on whose pennies (which country) and the force of gravity which is not uniform.
How much is fifty pounds of pennies in dollars?
Depends on their dates. Pennies before 1982 weigh 3.11 grams. Pennies from 1983 to now weigh 2.5 grams. Pennies dated 1982 could weigh either amount. An ounce equals 28.35 grams. Separate your coins into piles by date and get out your calculator.
How much would 7142 pennies weigh?
7,142 pennies weighs about 39.4 (39.3635369)pounds.
