What is 40% of 50?
What is 40% of 50?
Approach: 4 * 5 (since a% of b = b% of a).
20. 0.4 * 50 = 20.
Follow-up: What is 50% of 40?
Key concepts: percentage symmetry.
What is 40% of 50?
Approach: 4 * 5 (since a% of b = b% of a).
20. 0.4 * 50 = 20.
Follow-up: What is 50% of 40?
Key concepts: percentage symmetry.