Answer:- Mama bought 22.5 kilograms of powdered milk.Step-by-step explanation:Here's the solution using AGONSA: A - What is asked? - The problem asks for the total kilograms of powdered milk Mama bought. G - What are the given facts? - Mama bought 1.50 (which means 1.5) of 15 kilograms of powdered milk. O - What operation to be used? - We need to multiply the fraction of powdered milk bought (1.5) by the total amount (15 kilograms). N - What is the number sentence? - 1.5 x 15 = N S - Solve: - 1.5 x 15 = 22.5 A - Answer: - Mama bought 22.5 kilograms of powdered milk.