Explain simply why 10 is the correct answer to: Estevan has 24 blankets. One-third of the blankets have polka-dots. For his birthday, his mother gives him 2 more polka-dot print blankets. How many polka-dot blankets does Estevan have in total?. Explanation:
Before his birthday, Estevan has 24 / 3 = 8 polka - dot blankets. After his birthday, Estevan has 8 + 2 = 10 polka - dot blankets.