Question

an alloy of tin and copper consists of 20 parts of tin and 120 parts of copper. what is the percentage of copper in the alloy
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Answer 1

Step-by-step explanation:

Total number of Tin part = 20 parts. Hence, Percentage of tin is 15.625% and copper is 84.375% in alloy.

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Answer 2

Answer:

~ 85.7%

Step-by-step explanation:

tin =20 parts

copper =120parts

alloy =120+20=140

percentage of copper =(120/140)*100=~85.7%