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Ezonthekid
04.08.2019 •
Mathematics
Au.s nickel contains 3.9 g of copper and 1.2 g of nickel. how many kilograms of copper must be combined with 500 kg of nickel to make nickel coins?
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Ответ:
3.9 g copper 1.2 g nickel
=
x 500 kg
Then, cross multiplying, we get
(3.9 g copper)(500 kg) = (1.2 g nickel)*x
Divide both sides by (1.2 g nickel) to learn the # of kg of copper needed.
Ответ:
500*3.25=1625 kg of copper
Ответ:
3774752. trust me boi