The equation representing the total profit earned by Maon is Profit = 256 - 128.
Profit is calculated by the formula -
Profit = Cost price - Selling price
Cost price = 64×2
Performing multiplication to find the cost price
Cost price = $128
Selling price = 64×4
Performing multiplication to find the selling price
Selling price = $256
Keep the values in equation to find the profit
Profit = 256 - 128
Performing subtraction on Right Hand Side of the equation to find the profit
Profit = 128
Thus, the profit earned is $128.
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