Question

a certain alloy contains three parts of Tin to 5 parts of Copper what is the percentage composition of the Tin and copper alloys

Answer 1

let percentage of tin be 3x and that of copper be 5x
therefore 3x% + 5x% = 100%
8x = 100
x = 12.5
therefore
3x = 37.5%
5x = 62.5%

Answer 2

Step-by-step explanation:

https://i.pinimg.com/originals/a3/91/54/a39154e26bcdb4b188db53df60d6a6ac.jpg