Question

pleas tell how do we solve this question please do question no 11​

Answer 1

Answer:

Here is your Solutions :-

Given :

Tin = 15 parts

Copper = 105 parts

Alloy of tin and copper = (15 + 105) = 120

Now,

Find the Percentage of copper in alloy :-

% of copper​=105/120×100​% = 87.5%​  

Hence,

Percentage of copper is 87.5 % in alloy.

HOPE IT HELPS YOU