Profit Percentage = Profit/Cost Price x 100 Selling Price = Cost Price + Profit Profit = Selling Price - Cost Price Let x = Cost Price Profit = Selling Price - x Selling Price = 44 Profit = 44 - x Profit Percentage = Profit/Cost Price x 100 Profit Percent = 10% Multiply both sides of the equations by x 10 x x = (44 - x) x 100 10 x x = 44 x 100 - x x 100 10x = 4400 - 100x Solve for x 10x + 100x = 4400 110x = 4400 Divide both sides of the equation by 110 x = 40 Cost price = GH₵ 40.001 ALTERNATIVELY Cost Price Percentage = 100% Selling Price Percentage = Profit % + Cost Price Percentage Profit % = 10% Selling Price % = 10% + 100% = 110% Selling Price = 44 Let x = Cost Price 110% (Selling Price Percentage) = 44 100% (Cost Price Percentage) = x Cross multiply and solve for the value of x x x 110 = 44 x 100 Divide both sides by 110 x = 4400/110 x = 40 Cost Price = GH₵ 40.00