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3 years ago

7

a piggy bank containing only quarters has a mass of 850 grams when empty and 7822 grams when filled if a quarter weighs 5.6 gram

s estimate the money

2 answers:

kap26 [50]3 years ago

7 0

I thinks the answer is 12.45

stira [4]3 years ago

4 0

Number of quarters= (7822-850)/5.6 = 1245

multiply that by 0.25 (worth of a quarter) to get the amount of money in US dollars

1245*0. 25=311.25$

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