Asked by melissa

a.u.s nickel contains 3.9g of copper and 1.2g of nickel.
how many kilograms of copper must be combined with 500 kg of nickel to make nickel coins?
Answered by Bosnian
copper/nickel=3.9/1.2=3.25

500*3.25=1625 kg of copper
Answered by Bosnian
You also can write fraction:

3.9/1.2=x/500

1.2*x=3.9*500

1.2*x=1950 Divide with 1.2

x=1950/1.2

x=1625
Answered by Anonymous
1,625
Answered by Anonymous
1625
Answered by Lajoie
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dwayne
dwayne the bath tub already i'm draining
Answered by Annie
1625
Answered by Bot
Correct!