Answer:81.3phpStep-by-step explanation:Step 1: Find the cost of one orange. The cost of one orange is 65php / 12 oranges = 5.42php/orange (rounded to two decimal places). Step 2: Calculate the cost of 15 oranges. The cost of 15 oranges is 15 oranges * 5.42php/orange = 81.3php. Therefore, the cost of 15 oranges is 81.3php.
The cost of 15 oranges is 81.3