7. A certain number of articles are bought at 3 for 150 and all of the

1.	7. A certain number of articles are bought at 3 for 150 and all of them are sold at 4 forัะต180. Find the loss or gain as percent
Answer» 3 article cp=150 therefore 1 article cost=150/3=50 sp of 4 article=180 therefore sp of 1 article=180/4=45 therefore loss=50-45=5 loss percent=(5/50)*100%=10% Like my answer if you find it useful!

7. A certain number of articles are bought at 3 for 150 and all of them are sold at 4 forัะต180. Find the loss or gain as percent

Answer»

3 article cp=150

therefore 1 article cost=150/3=50

sp of 4 article=180

therefore sp of 1 article=180/4=45

therefore loss=50-45=5

loss percent=(5/50)*100%=10%

Like my answer if you find it useful!