Question

a shopkeeper gain cost price of 2 cups by selling 10 cups . find his her gain percent​

Answer 1

Step-by-step explanation:

let cp = 100 rupees for x cups

cp for 1 cup = 100/x

gain = cp of 2cups = 2×100/x =200/x

gain % = gain/cp ×100

= 200/x ÷ 100/x ×100

= 200×x/x×100 ×100 = 200%

I am not sure that this is correct or not, but I tried .