19jovita66 19jovita66

27-10-2016
Mathematics

contestada

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 grams estimate the money

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autumnbbolton72 autumnbbolton72

27-10-2016

I thinks the answer is 12.45

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SchooledBoy SchooledBoy

27-10-2016

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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