Question

If if the CP of 10 articles equals the SP of 8 articles find the profit or the loss percentage

Answer 1

let the cp of 1 article=x
cp of 10 articles =10x
cp of 8 articles =8x
sp of 8 articles=cp of 10 articles
sp of 8 articles =10x
profit=sp-cp
profit=10x-8x
profit =2x
profit percentage =2x÷8x×100
25%