Question

An alloy of tin and copper consists of 15 parts of tin and 105 parts of copper . Find the percentage of copper in the alloy.

plz solve fast !!!!!!!!!!!!!!

Answer 1

Here is ur answer, dear
___________________⤵

▶Total no of parts is
=> 15 + 105
=> 120 

▶Parts of copper is
=> 105 

▶So, percentage of copper is

=> 105 / 120 × 100
=> 87.5% ...✔

Answer 2

Answer: 87.5% is ur answer

Step-by-step explanation:

Total no of parts is

=> 15 + 105

=> 120

Parts of copper is

=> 105

So, percentage of copper is

=> 105 / 120 × 100

=> 87.5%