This Problem Set is a part of the Lesson 15, Unit 3, Grade 6. Practice Problems: a. To find 40% of 75, Priya calculates 2/5 × 75. Does her calculation give the correct value for 40% of 75? Explain or show how you know. b. If x represents a number, does 2/5 × x always represent 40% of that number? Explain your reasoning.