Answer :
Final answer:
The previous day's cost of bananas per pound was $0.70. This is calculated by dividing today's total price by the quantity and subtracting the increase.
Explanation:
The student's question involves price per pound and basic algebra. The cost of 5 pounds of bananas today is $4.25. This means that the cost per pound today is $4.25 ÷ 5 = $0.85.
Because the price per pound increased by $0.15 from yesterday to today, this means the previous day's cost per pound was $0.85 - $0.15 = $0.70. Thus, the price of bananas yesterday was $0.70 per pound.
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