1)By selling an article for 11960 naira a dealer lost 8%. At what price should it be sold in order to make a
profit of 20%.
2)a man bought 40 exercise books at a total cost of 2600 naira and sold them for 75 naira each calculate the percentage profit to 2 d.p.
Please help me with the answer now
0.92x = 11960
so he needs to sell it for 1.20x = 11960/0.92 * 1.20 = _____
revenue: 40*75 = 3000
profit: 400
% profit: 400/2600 = 0.1538 = 15.38%