a shopkeeper sold 10 articles at the cost price of 8 articles . then find the profit % or lost % ?
"here 10 articles selling price = 8 articles cost price so the difference = 10 - 8 = 2 % of profit = 2 * 100 / 10 = 20 % correct option is e"
multiply(divide(subtract(8, 10), 10), const_100)