Question

An alloy consists of 23 gram of tin and 40 gram of copper. Find the percentage of tin in the alloy. ​

Answer 1

Answer:

23/40 multiply by 100

Step-by-step explanation:

the answer is 90%

Answer 2

Step-by-step explanation:

Percentage of copper is 48%

Weight of alloy is 4.2kg

Weight of copper is given by

100

48

×4.2=2.016kg

Percentage of zinc is 24%

Weight of alloy is 4.2kg

Weight of copper is given by

100

24

×4.2=1.008

Percentage of copper is 100−48−24%=28%

Weight of alloy is 4.2kg

Weight of copper is given by

100

28

×4.2=1.176kg