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strojnjashka [21]

3 years ago

9

A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams what percentage of the metal in coi

n is copper

2 answers:

Citrus2011 [14]3 years ago

7 0

3.75/5 = .75
.75 X 100 = 75
75% is the answer

sukhopar [10]3 years ago

7 0

3.75/5 = .75 or 75% so 75% of the coin is copper

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