Final answer:
The price elasticity of demand for Brenda's Bakeries Zucchini Bread is -1.86.
Step-by-step explanation:
The price elasticity of demand can be calculated using the formula: price elasticity of demand = % change in quantity demanded / % change in price. In this case, the price increases by 29% and the quantity demanded changes by -54%. Plugging in these values into the formula, we get -54% / 29% = -1.86. Therefore, the price elasticity of demand for Brenda's Bakeries Zucchini Bread is -1.86.