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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 one billion pennies weigh?
1 billion pennies would weigh 5,511,556.55 pounds. The weight of a penny is 2.5 grams
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.
How much does a 1 gallon water jug filled with pennies weigh?
Pennies weigh about 2.5 grams each. There are roughly 181 pennies in a pound and 2,381 pennies in a gallon. So, a 1 gallon water jug filled with pennies would weigh approximately 9.5 pounds.
How much does 5 gallon water jug of pennies weigh?
180.55 pounds. 180 pennies in a pound and there is roughly 32,500 pennies in 5 gallons. 32,500.00 divided by 180= 180.55
How much does a bag of pennies weigh?
How much does a 2 liter of pennies weigh?
How much does 3500 pennies weigh?
One penny weighs 2.5 grams, so 3,500 pennies weigh 8,750 grams.
How much do 5000 pennies weigh in pounds?
5000 pennies weigh about 27.5 pounds.
How much 9000 pennies weight?
9000 pennies weigh
How much does an empty 5gallon glass bottle weigh?
An empty 5-gallon glass bottle typically weighs around 5-7 pounds.
How much does 200 pennies weigh?
200 pennies weigh approximately 1.4 pounds.
Is a water bottle filled with water weigh more than a pair of scissors?
No it weighs much more!!
How much does a 10ml graduated cylinder filled with water weigh?
A 10 ml graduated cylinder filled with water would weigh approximately 10 grams, as the weight of water is about 1 gram per milliliter.
How many pennies have the same mass as 6 liters of water?
6 liters of water weigh approximately 6000 grams. A penny weighs about 2.5 grams. So, to find how many pennies have the same mass as 6 liters of water, you would divide 6000 grams by 2.5 grams per penny, which is 2400 pennies.
How much does 1000000000 pennies weigh?
1000000000 pennies would weigh approximately 5511551 pounds or 2500000 kilograms.
