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igomit [66]
4 years ago
14

A gold alloy contains 15 milligrams

Physics
2 answers:
miv72 [106K]4 years ago
5 0

Answer:

180 milligrams

Explanation:

You divide 48 by 4 which comes to 12. Divide 12 times 15 milligrams of gold this gets you 180

Alexandra [31]4 years ago
3 0

Answer: There are 180 milligrams of gold in the alloy.

Explanation: We know that for every 4 milligrams of copper, there are 15 milligrams of gold.

if 48 milligrams of copper are used, we can separate them in "sets" of 4 milligrams.

We have 48/4 = 12 sets.

And for each one of these 12 sets, there are 15 milligrams of gold, then the total amount of gold in the alloy is:

12*15mg = 180 mg

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