Coins

The money - coins are minted from the hardest bronze, which contains copper and tin in a ratio of 41: 9. How much copper and tin are in 2kg of bronze money?

Correct result:

m =  1.64 kg
c =  0.36 kg

Solution:

 m=41/9 c m+c=2  41c9m=0 c+m=2  c=925=0.36 m=4125=1.64=4125=1.64 kg



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